Interesting paper.
I've suggested before that BiaB could train AI on its own tracks. In theory, this could allow more variety and flexibility to come from existing tracks. In theory, it could also be used as the basis of converting MIDI to audio performance. But while being able to shape the performance at the note level would be useful (for example, to render a specific motif), I'd prefer to maintain a looser level of control. For me, part of the fun of BiaB is treating RealTracks a collaborator. So being able to specify tags at the point of regeneration ("less busy", for example) is something that I'd like.
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+1
For example, Logic Pro 11 keyboard player (session musician) is pretty advanced right out of the gate. Far from perfect but delivering capabilities I would love to have for BIAB tracks and styles.
Yes, Logic’s chord entry needs improvement, and more styles are needed.
But the ability to adjust the performance of an individual performer is significant.
And AI seems to make MIDI just as good as real tracks.