multi-track was invented and worked on (1 ene 1943 año – 1 ene 1953 año)

Descripción:

The history of modern multitrack audio recording using magnetic tape began in 1943 with the invention of stereo tape recording. The next major development in multitrack recording came in 1953
when Les Paul devised the concept of 8-track recording, it was developed by the Ampex Corporation.

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