Just had an idea that it should be possible to 'subtract' instrumental tracks from orginal tracks leaving us with just the acapella version of the song.
In it's most basic form this would be:
original.wav - instrumental.wav = acapella.wav
Has anyone seen or created something along these lines out there?
I thought I would check what is out there then potentially try finding the difference of between the two waveforms in python if not.