Digital recording emerged in the late 20th century and has since flourished with the popularity of digital music and online streaming services.[1]. A playback head can then pick up the changes in the magnetic field from the tape and convert it into an electrical signal. If you have films with a magnetic track, you should keep them away from strong magnetic sources, such as televisions. This has become far more symbolic today than the utilitarian definition from the early 1900s. Although electronic amplification was used, the resulting audio was weak and unclear. [citation needed] Unlike all previous technologies, which captured a continuous analogue of the sounds being recorded, digital recording captured sound by means of a very dense and rapid series of discrete samples of the sound. It became common studio recording practice to record on multiple tracks, and bounce down afterward. During this process, a recording is made of thin steel or stainless steel wire. Disc-to-disc editing was possible, by using multiple turntables to play parts of different "takes" and recording them to a new master disc, but switching sources with split-second accuracy was difficult and lower sound quality was inevitable, so except for use in editing some early sound films and radio recordings it was rarely done. The earliest method of sound recording and reproduction involved the live recording of a performance directly to a recording medium by an entirely mechanical process, often called "acoustical recording". Early brown wax cylinders were usually cut at about 120rpm, whereas later cylinders ran at 160rpm for clearer and louder sound at the cost of reduced maximum playing time. The vibration of the Gramophone's recording stylus was horizontal, parallel to the recording surface, resulting in a zig-zag groove of constant depth. The projector used a steady light and a photoelectric cell to convert the variations back into an electrical signal, which was amplified and sent to loudspeakers behind the screen. Among the vast and often rapid changes that have taken place over the last century of audio recording, it is notable that there is one crucial audio device, invented at the start of the "Electrical Era", which has survived virtually unchanged since its introduction in the 1920s: the electro-acoustic transducer, or loudspeaker. The combination of the ability to edit via tape splicing and the ability to record multiple tracks revolutionized studio recording. This was a full fledged record of sound, no question about that, just as a seismograph records earthquakes, Feaster says. Optical soundtracks are prone to the same sorts of degradation that affect the picture, such as scratching and copying. A brain-computer interface ( BCI ), sometimes called a brain-machine interface ( BMI) or smartbrain, is a direct communication pathway between the brain's electrical activity and an external device, most commonly a computer or robotic limb. Phonograph, Phonograph Resources The first practical device for recording and reproducing sound was developed by American inventor Thomas Alva Edison (1847-1931) Record Player, record player or phonograph, device for reproducing sound that has been recorded as a spiral, undulating groove on a disk. The Western Electric system greatly improved the fidelity of sound recording, increasing the reproducible frequency range to a much wider band (between 60Hz and 6000Hz) and allowing a new class of professional the audio engineer to capture a fuller, richer, and more detailed and balanced sound on record, using multiple microphones connected to multi-channel electronic amplifiers, compressors, filters and mixers. This is a unique website which will require a more modern browser to work! This microphone involved applying vibrations from an electroconductive diaphragm to a packet of carbon granules, which could be picked up by an electrical output signal. The digital audio tape never became important as a consumer recording medium partially due to legal complications arising from "piracy" fears on the part of the record companies. the electrostatic loudspeaker), the basic design and function of the dynamic loudspeaker has not changed substantially in 90 years, and it remains overwhelmingly the most common, sonically accurate and reliable means of converting electronic audio signals back into audible sound. Made on June 22, 1878, at one of the public demonstrations of Edisons work, it captured the sound of a cornet, nursery rhymes including Mary Had a Little Lamb, and laughter. Web. As hard disk capacities and computer CPU speeds increased at the end of the 1990s, hard disk recording became more popular. Watch on The recording is held at the Tchaikovsky House in Russia - and you can read about our visit to the composer's home here . Signal-to-noise ratio is increased at higher speeds and with wider tracks, and decreased at lower speeds and with narrower tracks. On the first audio recording Edison recited, "Mary had a little lamb. Edisons earliest experimental recordings, dont survive as playable recordings, we only know about them from notes he made in his experimental notebooks, says Feaster, and Kreusi probably made some of them too. Analog magnetic tape recording introduces noise, usually called "tape hiss", caused by the finite size of the magnetic particles in the tape. Digital processes can now achieve reliable and perfect synchronization. Live music was the standard for American radio at the time and the major radio networks did not permit the use of disc recording in many programs because of their comparatively poor sound quality. The phonograph is a mechanical device used for recording and reproducing sound. The most common form is the dynamic loudspeaker effectively a dynamic microphone in reverse. This wax strip moved past a recording head or playback stylus located between two . 1948 All the major American labels introduce Vinyl records. Edison's phonograph, however, was specifically . Bhaskar Menon, EMI and Capitol Records Legend, Dies at 86, Launch of Judeo Spanish Songs from the EMI Archive Trust, THE SOUND OF THE HOUND A NEW PODCAST SERIES ABOUT THE BIRTH OF RECORDED SOUND, https://www.facebook.com/EMIGroupArchiveTrust. The introduction of lacquer-coated blank discs made instantaneous recording possible for broadcast and home recording. The same year brought the first digitally recorded U.S . His unit was assigned to find out everything they could about German radio and electronics, including the investigation of claims that the Germans had been experimenting with high-energy directed radio beams as a means of disabling the electrical systems of aircraft. On April 9, 1860, Scott recorded a snippet of the French folk song Au Clair de la Lune.. The phonautograph is the earliest known device for recording sound. It turned out to be much harder than Scott anticipated for people to read words from images of sound waves; even today, though aspects of sound such as pitch or amplitude are somewhat visually interpretable in audio-editing software, thats not really something people can do. In [one] sense he failed, Giovannoni says, speaking of Scotts hopes that the sound waves could be read visually. Mullin even claims to have been the first to use "canned laughter"; at the insistence of Crosby's head writer, Bill Morrow, he inserted a segment of raucous laughter from an earlier show into a joke in a later show that had not worked well. There were also practical difficulties, such as the tendency of the wire to become tangled or snarled. The technology was invented in the 1930s but remained restricted to Germany (where it was widely used in broadcasting) until the end of World War II. The reproduction quality of wire recorders was significantly lower than that achievable with phonograph disk recording technology. Engraving, c1880. Oldest known intelligible recording of a human voice in 1860. This was the invention that got him the moniker The Wizard of Menlo Park. Though he would put the work aside for close to a decade before it was commercially viable and in the meantime others, including Alexander Graham Bell, would make great strides in sound reproduction Edison would be forever linked to the history of sound recording. Use of this site constitutes acceptance of our. Digital sound files can be stored on any computer storage medium. Crosby realized that the new technology would enable him to pre-record his radio show with a sound quality that equalled live broadcasts and that these tapes could be replayed many times with no appreciable loss of quality. Phonautograph (c 1857) apparatus for studying sound vibrations graphically, invented by (Edouard) Leon Scott de Martinville. Magnetic soundtracks are essentially the same as used in conventional analog tape recording. But, while theres good documentation of that work, such is not the case for the question of which sounds they recorded while they worked on the new creation. He called it the Phonautograph andpatented it on March 25, 1857. Before he got a chance to build a prototype, a hard workinginventor by the name of Thomas Edisonliving thousands of miles away in the USA beat him to it. In 1927, after experimenting with various materials, Pfleumer coated thin paper with iron oxide powder using lacquer as glue. This led to a number of attempts to reduce tape hiss through the use of various forms of volume compression and expansion, the most notable and commercially successful being several systems developed by Dolby Laboratories. These proved extremely useful for popular music since they enabled backing music to be recorded on two tracks (either to allow the overdubbing of separate parts or to create a full stereo backing track) while the third track was reserved for the lead vocalist. The novel procedure did, however, allow a recording to be made which would otherwise not have been practical in those circumstances. The first known tape recorder was invented at Alexander Graham Bell's private laboratory. Paul's technique enabled him to listen to the tracks he had already taped and record new parts in time alongside them. This was released by Warner Bros Records in Los Angeles using a 32-track digital machine. Brass instruments, which recorded well, often substituted instruments such as cellos and bass fiddles, which did not. Variable area recording uses changes in the width of a dark strip to represent the soundwave. The analog tape recorder made it possible to erase or record over a previous recording so that mistakes could be fixed. These recorders incorporated all of the key technological features of analogue magnetic recording, particularly the use of high-frequency bias. To solve this problem, he invented the audio stereo system which is still in use today. 1928 Fritz Pfleumer develops magnetic tapes for sound recording in Germany. The stylus vibration was at a right angle to the recording surface, so the depth of the indentation varied with the audio-frequency changes in air pressure that carried the sound. Instead, they listen over the internet. Whether optical or magnetic, the audio pickup must be located several inches ahead of the projection lamp, shutter and drive sprockets. You can unsubscribe at any time. The magazine wrote about the visit and then explained how it worked: Edison placed a little machine on our desk, turned a crank, and the machine inquired as to our health, asked how we liked the phonograph, informed us that it was very well, and bid us a cordial good night. In 1877, nearly 20 years later, Thomas Edisons talking machine became the first that could both record and playback sound successfully. The original Dolby A was only used in professional recording. The Gramophones he soon began to market were intended solely for playing prerecorded entertainment discs and could not be used to record. Shellac discs are no longer produced commercially. "Gramophone", Berliner's trademark name, was abandoned in the US in 1900 because of legal complications, with the result that in American English Gramophones and Gramophone records, along with disc records and players made by other manufacturers, were long ago brought under the umbrella term "phonograph", a word which Edison's competitors avoided using but which was never his trademark, simply a generic term he introduced and applied to cylinders, discs, tapes and any other formats capable of carrying a sound-modulated groove. A similar technology was used for a consumer format, Digital Audio Tape (DAT) which used rotating heads on a narrow tape contained in a cassette. When an audio signal from a recording, a microphone, or an electrified instrument is fed through an amplifier to the loudspeaker, the varying electromagnetic field created in the coil causes it and the attached cone to move backward and forward, and this movement generates the audio-frequency pressure waves that travel through the air to our ears, which hear them as sound. In the late 1950s, the cinema industry, desperate to provide a theatre experience that would be overwhelmingly superior to television, introduced widescreen processes such as Cinerama, Todd-AO and CinemaScope. A phonograph, in its later forms also called a gramophone (as a trademark since 1887, as a generic name in the UK since 1910) or since the 1940s called a record player, or more recently a turntable, [a] is a device for the mechanical and analogue recording and reproduction of sound. This means that if film with a combined soundtrack is cut and spliced, the image will cut cleanly but the soundtrack will most likely produce a cracking sound. Use of tape overdubbing was pioneered by Les Paul in the 1940s. ][citation needed]. Poulsen obtained a Telegraphone Patent in 1898, and later developed other magnetic recorders that recorded on steel wire, tape, or disks. He had asked NBC to let him pre-record his 194445 series on transcription discs, but the network refused, so Crosby had withdrawn from live radio for a year, returning for the 194647 season only reluctantly. From the beginning, sound recording offered the consumer an unprecedented access to musical sound - an access virtually uninhibited by the constraints of skill, time, place, and social standing. Speech technologies have witnessed a dramatic transformation, from what started as a speech machine using resonance tubes to Graham Bell's first recording device to Dictaphone and the first voice synthesizer, Voice Operating Demonstrator (VODER) to today's smart virtual assistants like Apple's Siri or Amazon's Alexa . The most notable of this type of recorder is the ADAT. How did the first gramophone work? Rather than using rough 19th-century technology to create playable versions, they were scanned into a computer and software was used to convert their sound-modulated traces into digital audio files. The phonograph, invented by Thomas Edison in 1877,[10] could both record sound and play it back. As a medium for entertainment, the cylinder was already losing the format war with the disc by 1910, but the production of entertainment cylinders did not entirely cease until 1929 and use of the format for business dictation purposes persisted into the 1950s. In the consumer market, tapes and gramophones were largely displaced by the compact disc (CD) and a lesser extent the minidisc. Digital files effectively eliminated the need to create or use a discrete, purpose-made physical recording medium (a disc, or a reel of tape, etc.) The first magnetic recording technique was called magnetic wire recording. Although infringement remains a significant issue for copyright owners, the development of digital audio has had considerable benefits for consumers and labels. Around 1950, slower speeds became standard: 45, 33, and the rarely used 16rpm. In fact, this invention helped to take transcription to a new level of accuracy that was never seen before. However, some companies are facing production problems as there are only 16 record plants currently functioning in the United States.[16]. The first commercially issued records using overdubbing were released by the Victor Talking Machine Company in the late 1920s. Recorder. Engineers at AEG, working with the chemical giant IG Farben, created the world's first practical magnetic tape recorder, the 'K1', which was first demonstrated in 1935. A sensitive membrane or diaphragm, located at the apex of the cone, was connected to an articulated scriber or stylus, and as the changing air pressure moved the diaphragm back and forth, the stylus scratched or incised an analogue of the sound waves onto a moving recording medium, such as a roll of coated paper, or a cylinder or disc coated with a soft material such as wax or a soft metal. In January of 1857 Scott deposited a manuscript detailing his work and some of his early recordings with the French Acadmie des Sciences and described what he hoped the phonautograph would one day achieve. By the end of the acoustic era, the disc had become the standard medium for sound recording, and its dominance in the domestic audio market lasted until the end of the 20th century.[2]. Background on the Early History of Recorded SoundIn 1877, Thomas Edison invented the phonograph, the first machine that could record sound and play it back. However, overdubbing was of limited use until the advent of audio tape. Learn how and when to remove these template messages, Learn how and when to remove this template message, https://www.kenrockwell.com/audio/sony/pcm-f1.htm, Sound recording and reproduction Electrical recording, "A Brief History of Recording to ca. Its also worth noting that Scotts recording was man-made and captured sound out of the air, changing over a period of time; sound records of other kinds predate his experiments. Streaming services such as Pandora use the radio model, allowing users to select playlists but not specific songs to listen to, while services such as Apple Music allow users to listen to both individual songs and pre-made playlists.[8]. 1880s Charles Sumner Tainter and Chichester Bell working under Alexander Graham Bell at his Volta Labaratory improved the phonograph cylinder including developing wax covered cardboard cylinders, ultimately creating a new form of recording machine: the Graphophone. Musical ensembles of the period often favoured louder instruments such as trumpet, cornet, and trombone; lower-register brass instruments such as the tuba and the euphonium doubled or replaced the double bass, and blocks of wood stood in for bass drums. The earliest practical recording technologies were entirely mechanical devices. This and conceptually related techniques, known as overdubbing, enabled studios to create recorded "performances" that feature one or more artists each singing multiple parts or playing multiple instrument parts and that therefore could not be duplicated by the same artist or artists performing live. Do you have a question about history? Crosby was stunned by the amazing sound quality and instantly saw the huge commercial potential of the new machines. It was intended only for visual study of the recording and could not play back the sound. [3] When played back through a digital-to-analogue converter, these audio samples are recombined to form a continuous flow of sound. There is a direct tradeoff between noise and economics. Invented by Frenchman Lon Scott, it was patented on March 25,. Digital recording has progressed towards higher fidelity, with formats such as DVD-A offering sampling rates of up to 192 kHz. 1925 The invention of electrical recording allows all the major labels to start using microphones in studio sessions. However, the introduction of digital audio files, in concert with the rapid developments in home computing, soon led to an unforeseen consequence the widespread unlicensed distribution of audio and other digital media files. One of the best-known examples of a 'constructed' composite sound from that era is the famous "Tarzan yell" created for the series of Tarzan movies starring Johnny Weissmuller. The next important development was 4-track recording. The development of the MP3 audio file format, and legal issues involved in copying such files, has driven most of the innovation in music distribution since their introduction in the late 1990s. 1950", "The Spotify Paradox: How the Creation of a Compulsory License Scheme for Streaming On-Demand Music Platforms Can Save the Music Industry", "Downloading music vs streaming music: Which is best for you? William Fox began releasing sound-on-film newsreels in 1926, the same year that Warner Bros. released Don Juan with music and sound effects recorded on discs, as well as a series of short films with fully-synchronized sound on discs. These processes at the same time introduced technical improvements in sound, generally involving the use of multitrack magnetic sound, recorded on an oxide stripe laminated onto the film. From 1950 onwards, magnetic tape quickly became the standard medium of audio master recording in the radio and music industries, and led to the development of the first hi-fi stereo recordings for the domestic market, the development of multi-track tape recording for music, and the demise of the disc as the primary mastering medium for sound. The first ADAT recorders shipped over a year later in February or March 1992. He wasnt a professional scientist or inventor, but had aspirations to break into that world. In a professional setting today, such as a studio, audio engineers may use 24 tracks or more for their recordings, using one or more tracks for each instrument played. There is usually a flywheel as well to smooth out the film moves to eliminate the flutter that would otherwise result from the negative pulldown mechanism. Vinyl records, or long playing (LP) records, have become popular again as a way to consume music despite the rise of digital media. By 1943 AEG had developed stereo tape recorders. The adoption of sound-on-film also helped movie-industry audio engineers to make rapid advances in the process we now know as "multi-tracking", by which multiple separately-recorded audio sources (such as voices, sound effects and background music) can be replayed simultaneously, mixed together, and synchronised with the action on film to create new 'blended' audio tracks of great sophistication and complexity. Please try again later. Magnetic tape also brought about a radical reshaping of the recording processit made possible recordings of far longer duration and much higher fidelity than ever before, and it offered recording engineers the same exceptional plasticity that film gave to cinema editorssounds captured on tape could now easily be manipulated sonically, edited, and combined in ways that were simply impossible with disc recordings. The specific first recorded sound would thus fall sometime between the early experiments and the recognizable Au Clair de la Lune record. By later drawing the wire across the same or a similar head while the head is not being supplied with an electrical signal, the varying magnetic field presented by the passing wire induces a similarly varying electric current in the head, recreating the original signal at a reduced level. Successors found use in both professional and consumer formats; Dolby B became almost universal for prerecorded music on cassette. as the primary means of capturing, manufacturing and distributing commercial sound recordings. On July 17 of that year, he wrote in his notebook about reproducing a telephone message slow or fast. The Electrical Era (19251945) (including sound on film). Wire recording initially had the advantage that the recording medium itself was already fully developed, while tape recording was held back by the need to improve the materials and methods used to manufacture the tape. Three-track recorders remained in widespread commercial use until the mid-1960s and much famous pop recordings including many of Phil Spector's so-called "Wall of Sound" productions and early Motown hits were taped on Ampex 3-track recorders. Pariswas clearly the centre of the world in the early days of sound recording. 1943, two-track recording was rapidly adopted for modern music in the 1950s because it enabled signals from two or more microphones to be recorded separately at the same time (while the use of several microphones to record on the same track had been common since the emergence of the electrical era in the 1920s), enabling stereophonic recordings to be made and edited conveniently. It essentially amounted to playing a phonograph record, but one that was recorded with the best electrical technology of the time. The compact disc rapidly replaced both the 12" album and the 7" single as the new standard consumer format, and ushered in a new era of high-fidelity consumer audio. These remarks were not only perfectly audible to ourselves, but to a dozen or more persons gathered around, and they were produced by the aid of no other mechanism than the simple little contrivance.. Reportedly, he was impressed but surprised that someone would invent this machine but not think of playing back the recording out loud. The first all-digitally-recorded popular music album, Ry Cooder's Bop 'Til You Drop, was released in 1979, and from that point, digital sound recording and reproduction quickly became the new standard at every level, from the professional recording studio to the home hi-fi. Briefly based on cylinders, Berliner changed his methodology in 1888 to use discs with imprinted grooves on the flat side of a disc rather than the outside of a cylinder. Played at what is now believed to be the correct speed, The words are "Au clair de la lune, mon ami Pierrot, prte-m". A week later Edison had sketched out some more ideas and labeled it a phonograph in his notebook. Business owners and executives can never miss a detail when pressing the record button on a device like this. Mary Bellis Updated on April 19, 2017 Charles Ginsburg led the research team at Ampex Corporation in developing one of the first practical videotape recorders or VTRs in 1951. In 1927 John Logie Baird, the Scottish Television pioneer was testing an amplifier with headphones and listened to noise the vision signal made on his . Phonautograph is the earliest known device for recording sound ; Invented by Frenchman Edouard-Leon Scott de Martinville, the phonautograph was patented on March 25, 1857; The device transcribed sound waves as undulations or other deviations in a line traced on smoke-blackened paper or glass 4-track tape also enabled the development of quadraphonic sound, in which each of the four tracks was used to simulate a complete 360-degree surround sound. However, in the days of analog technology, no process involving a separate disk could hold synchronization precisely or reliably. 1877 Charles Cross invents the Paleophone. The compact disc almost totally dominated the consumer audio market by the end of the 20th century, but within another decade, rapid developments in computing technology saw it rendered virtually redundant in just a few years by the most significant new invention in the history of audio recording the digital audio file (.wav, .mp3 and other formats). There was a period of nearly five years, from 1925 to 1930 when the top "audiophile" technology for home sound reproduction consisted of a combination of electrically recorded records with the specially-developed Victor Orthophonic Victrola, an acoustic phonograph that used waveguide engineering and a folded horn to provide a reasonably flat frequency response. By 1853 or 1854 he had an idea: Using the daguerreotype as his model, he thought that if a camera replicates an eye to fix image to paper, some sort of mechanical ear could fix sound to paper. Edison becameworld famous whilst Charles Cros is largely forgotten. The first recording in this first ever recording device was the Au Clair de la Lune, French folk song which was allegedly recorded in 1860 through sound dating techniques. Mullin gave two public demonstrations of his machines, and they caused a sensation among American audio professionalsmany listeners could not believe that what they were hearing was not a live performance. They had opposed magnetic tape recording when it first became available to consumers, but the technical difficulty of juggling recording levels, overload distortion, and residual tape hiss was sufficiently high that unlicensed reproduction of magnetic tape never became an insurmountable commercial problem. A stylus, attached to a diaphragm through a series of levers, traced a line through the soot, creating a graphic record of the motions of the diaphragm as it was minutely propelled back and forth by the audio-frequency variations in air pressure. That situation put Scott in the odd position of being essentially unable to prove that his invention worked. It took about a decade before cassettes began to dominate the consumer market. Magnetic tape provided another dramatic leap in audio fidelityindeed, Allied observers first became aware of the existence of the new technology because they noticed that the audio quality of obviously pre-recorded programs was practically indistinguishable from live broadcasts. Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The fourth and current "phase", the "digital" era, has seen the most rapid, dramatic and far-reaching series of changes in the history of audio recording. No one faults seismographs for not playing back earthquakes.. One side was scraped clean while the opposite side was allowed to harden. In some of them the sound recording is again recorded on a separate disk, as in Vitaphone; others use a digital, optical sound track on the film itself. Mullin was asked to tape one show as a test and was immediately hired as Crosby's chief engineer to pre-record the rest of the series. A trained reader could interpret those lines essentially the image of the sound wave to know what the sound was. 1888 Columbia Records is born out of Alexander Graham Bells Volta Graphophone Company. Fingerprints on the film may also produce cracking or interference. [13] In 1906, Eugene Augustin Lauste applied for a patent to record Sound-on-film, but was ahead of his time. Stereo (either true, two-microphone stereo or multi mixed) quickly became the norm for commercial classical recordings and radio broadcasts, although many pop music and jazz recordings continued to be issued in monophonic sound until the mid-1960s. Early on, the copies were made of hard rubber, and sometimes of celluloid, but soon a shellac-based compound was adopted. The first development in multitracking was stereo sound, which divided the recording head into two tracks. The digital audio file marked the end of one era in recording and the beginning of another. This device typically consists of a shallow conical diaphragm, usually of a stiff paper-like material concentrically pleated to make it more flexible, firmly fastened at its perimeter, with the coil of a moving-coil electromagnetic driver attached around its apex. During World War II, an engineer at the Reichs-Rundfunk-Gesellschaft discovered the AC biasing technique. The ADAT machine, followed by the Tascam equivalent, the DA-88, using a smaller Hi-8 video cassette, was a common fixture in professional and home studios around the world until approximately 2000 when it was supplanted by various interfaces and 'DAWs' (digital audio workstations) which allowed a computer's hard drive to be the recording medium.. The other common form of hard disk recording uses a dedicated recorder which contains analog-to-digital and digital-to-analog converters as well as one or two removable hard drives for data storage. Biasing radically improved the sound quality of magnetic tape recordings. In another sense, he succeeded wildly. They were inconspicuously set up in the abbey and connected by wires to recording equipment in a vehicle outside. Two years after the release of the first commercially distributed digital audio recorder, the first digitally recorded album was released and it was titled Bop Til You Drop by Ry Crooder. Magnetic wire recording was replaced by magnetic tape recording, but devices employing one or the other of these media had been more or less simultaneously under development for many years before either came into widespread use.

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