I'd use RealBand for this. It works about the same as BIAB does in this case, but it is a little more comfortable to create a solo for the fraction of a song.

If you don't know how, just ask.


Desktop; i7-2600k, 8 GB mem., Win 10 Pro, BIAB 2017; RB 2017 - latest build
Laptop: i5-2410M, 4 GB mem, Win 10 Pro, BIAB 2017; RB 2017 - latest build