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vertical stylus motion
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wax cylinders
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mechanical digital, automated instrumentals
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horizontal stylus
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amiplified voal recordings
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refined speeds
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vinyl belt
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pressing grooves into vinyl cords
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plastic belt that rotated on a cylinder
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horizontal stylus
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magnetic wire on wheel
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a tape that was played in a cassette
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designed for radio broadcasters
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endless loop carttige
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linear pcm