I saw then play in Lowell MA around 5 years ago. On that gig they had Tony Levin on bass and Jerry Marotta on drums. (They don't usually work with a bass player and drummer) They were AMAZING!!!!! And the back up act was a duo, Tom Gresgraber on Chapman Stick and live looping and Jerry Merotta on drums. It was simply one of the most musically enjoyable and eye opening concerts I ever attended!