Copy the track into your DAW and clone the track. Use whatever synths you want. Real Band is a DAW.

I think if you have the 2022 BB you have a bunch of utility tracks that might be able to support this as well.


You can find my music at:
www.herbhartley.com
Add nothing that adds nothing to the music.
You can make excuses or you can make progress but not both.

The magic you are looking for is in the work you are avoiding.