You might try to find a MIDI version of Mustang Sally on the Internet, bring it into BiaB then use that bass line. You may have to transpose it to match your key signature. I do things like this in my DAW so others will have to give you the exact BiaB method to achieve this.

Good luck.

Whenever I get something stuck in the back of my throat, I dislodge it by drinking a beer.
It's called the Heineken Maneuver.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware