Here’s some of the audio from the session. The latter 3 tracks were rapped by J.Zilla—he stopped by the bar and picked up the mic!
http://sf-emm.org/audio/2010-04/sfemm_2010apr_jam1.mp3
http://sf-emm.org/audio/2010-04/sfemm_2010apr_jam2.mp3
http://sf-emm.org/audio/2010-04/sfemm_2010apr_jam3.mp3
http://sf-emm.org/audio/2010-04/sfemm_2010apr_jam4.mp3
http://sf-emm.org/audio/2010-04/sfemm_2010apr_jam5.mp3