hi to all
this may sound a stupid question but if you don't ask you don't find out.

if you made a user track on a guitar playing chops in the key of say E.
When you used it in a song you had made in biab which had the chord structure of E A B would the user track play the chord changes along with the song and would the user track need to be the whole length of the song or is there another way of doing it

thanks tj