Boing Boing Gadgets editor Joel Johnson chats about chiptunes with a number of artists who performed at the most recent installment of the 8-bit music event Blipfest: Paza Rahm (pazarahm.com, from Sweden), Rugar (rugarandi.com, Sweden), Sabrepulse (myspace.com/sabrepulse, Scotland) and Akira, aka 8GB (myspace.com/8gb, Argentina).