Are you familiar with Real Band? Yes, you can do this in Biab but RB is way easier plus you have 48 tracks to mess with. RB is a DAW so you see each track displayed horizontally just like any other DAW. And yes, all you do is highlight a section of track, right click the highlighted section and select a style, instrument, midi or RT's and hit Generate. Unlike Biab RB treats each track individually just like any other DAW so you're not changing any other tracks. There's much more you can do in RB that's related to this but I'll leave it there. Just go to the RB forum.

Bob

Biab/RB latest build, Win 11 Pro, Ryzen 5 5600 G, 512 Gig SSD, 16 Gigs Ram, Steinberg UR22 MkII, Roland Sonic Cell, Kurzweil PC3, Hammond SK1, Korg PA3XPro, Garritan JABB, Hypercanvas, Sampletank 3, more.