I haven't tried any vocal remover software in decades.

When I did, they relied on removing where, in the stereo mix, the vocals were panned. This took out the vocals, but also everything else in that niche.

I don't know if they still use that, or something new. If something new, I'd be curious about the method, but I no longer have a desire to do that.

Some of our duo competitors use karaoke tracks, which are relatively faithful to the recording.

The problem with that, would also be the problem for vocal removal. They are mixed for listening to a recording, not for live performance.

Thankfully, as a multi-instrumentalist, I can make my own backing tracks. I can exaggerate parts of the rhythm track that live musicians do (often the backbeat), exaggerate the groove, put backing vocals on synth voices so they are there but not obviously karaoke, and so on. I can also change the arrangement, get rid of long intros, real endings instead of fade outs, leave room for a solo hog (that would be me), get to the hook sooner, lengthen songs that the dancers would appreciate and so forth.

But if I simply wanted to remove vocals, I'd probably go the karaoke route.

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