For Jonathan Coulton, success as a musician has come with recording music himself, releasing individual songs online one-at-a-time, and even selling his catalog on a USB drive. So in a way, his new album Artificial Heart is a terrifying turn to the traditional, and a creative risk. It was produced with They Might Be Giants' John Flansburgh in a studio with a full band, the old-fashioned way. Jonathan and John talk to us about that process.