Share this postMusic Hack Day San Francisco Recapmusicmachinery.substack.comCopy linkFacebookEmailNoteOtherMusic Hack Day San Francisco RecapPaulFeb 18, 2013Share this postMusic Hack Day San Francisco Recapmusicmachinery.substack.comCopy linkFacebookEmailNoteOtherShareGo see my Music Hack Day San Francisco Recap on Storify.