By 1961 we had tape, multitrack recording and the facility to overdub.

Multitrack recording had just stopped requiring hundreds of thousands of dollars of machinery and expertise; the sound quality of consumer playback had just reached perfect.

This makes lossy compression unsuitable for storing the intermediate results in professional audio engineering applications, such as sound editing and multitrack recording.

He experimented with multitrack recording and overdubbing even on his earliest singles, and was also able to play piano, bass and drums.

It was intended for use in professional recording studios, where it became commonplace, gaining widespread acceptance at the same time that multitrack recording became standard.