How about a few ready made Jazz Standards? In fact, there are so many players out there that have some/many of the several hundred Jazz standards on their set list that I would have thought it would have been a huge market for BB. The small group/trio/duo/sol artist playing small cafe gigs etc, surely a good rhythm section in a pedal would be heaven sent to the musicians in those circumstances?
To get things started here are a few I would really like and be prepared to pay for…
Fly me to the moon
All the things you are
Girl from Ipanema