I saw these two, along with the rest of the "Dirty Cello" band at the Lafayette (CA) Library of all places a couple of weeks ago. Outstanding show all around. Bought both their albums on the way out.
This is one of the best things I have heard in my entire life. I play cello and am learning piano. This inspired me to learn the song myself. (on cello of course). When I can I'm going to record it and post it here for all to see.