Share this postThe Music Hack Day Boston t-shirt musicmachinery.substack.comCopy linkFacebookEmailNoteOtherThe Music Hack Day Boston t-shirt PaulOct 15, 2010Share this postThe Music Hack Day Boston t-shirt musicmachinery.substack.comCopy linkFacebookEmailNoteOtherShare The design by Jocelyn Petko, modeled by Ben Lacker.