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When did major U.S. record companies begin releasing stereo discs?
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music recording
Inventor Thomas Edison listening to a phonograph.
Major U.S. record companies began releasing stereo discs in 1958. While stereophonic tape recordings had become available to a limited number of consumers by 1956, commercial stereo discs made their appearance within two years, and every major U.S. company had begun issuing them by the end of 1958.1