Hi again Matt

Just so you know I do understand the difference between audio and MIDI.

I guess what I really want to know is how to control BAIB songs so that when the soloist or melodist plays, preferably in terms of bar by bar but at least chorus by chorus. Obvious examples are when the jazz band plays the hear and then each instrument improvises for a while perhaps (and perhaps not) coming back to play a final chorus in some enhanced way. Some songs you could get verse - solo - verse, kind of structures too where the verse is a tune handled by an instrument in BIAB and the chorus could be an improvised solo.

It seems such an obvious thing to do but so far no luck here

thanks for the input