They were not bothered by my bumbling. and were glad I was there. Good thing there were a couple of other strong players or I would have really messed it up. My problem really is being SO dependent on seeing notes. It limits everyone else (if there is music) to the key my music is in.
It was fun, but not really fun because I was struggling so hard to play. Now that I think about it, it was actually just torture until they figured out how I could use music and they play along. sigh.