http://en.wikipedia.org/wiki/Jack's_Mannequin. Preferably stuff from their debut "Everything In Transit", but any would be awesome. Andrew McMahon is also the frontman for Something Corporate, which would be quite welcome as well.
Also, Ben Folds (Ben Folds Five), but that might be asking a little too much. He is on Epic's label.
Figure I'd give it a try since they'd most likely never be HMX DLC.