[Gaffer]

As you said, with enough overdubbing of the tracks, a lot of audio magic can happen.

Indeed. IIRC I once heard where some of Patti Pages vocals were overdubs of about 16 variations of her own voice.

[re_nortex]

IIRC I once heard where some of Patti Pages vocals were overdubs of about 16 variations of her own voice.

And speaking of overdubbing, Les Paul with a peek behind his "magic curtain" and 24 tracks.