Charlie, thank you for the link! I liked how the guy prepped his drum fills /rolls ahead of time at the end of his project to slice them later.

David, the more I think about your post, the more I like it. Thank you for detailed info! It seems very reasonable scenario for what I am doing. I probably set my expectations high for BIAB as far as track assembly program. Probably I have to re-think approach, to use it mainly as engine and use more DAW muscle to get things situated.

This is very similar to how I used to do backing tracks from hardware arranger boxes years ago. I extracted part variations from box to DAW as audio and then fooled around with them. I stepped out of song writing for several years, now trying to get back the "lost years" smile

Again,
Thank you for your input!