Audacity Forum

OK, thank you very much, both of you, for the sanity check. I'll stop banging my head against this one. I played around with this for a while, and got the to the point of dropping about 50% of the backing music by changing the speed of the instrumental by some crazy factor, like 0.03%. But still now...

I've read several tutorials on create an acapella by putting the regular track and instrumental version side by side, and then inverting the instrumentals to cancel out the non-vocal portion of the main track. The track in question is Nelly's Air Force Ones, for which I can't find that an acapella w...