Living legend Stephen Sondheim returned to The Colbert Report on November 30 with another must-watch segment for musical theater fans. Sondheim chatted with Colbert about his new book Look, I Made a Hat, the companion piece to Finishing the Hat. Highlights from the interview include Sondheim’s opinion of Colbert’s performance as Harry in Company, the autobiographical aspects of the song “Finishing the Hat” and death as a happy ending. If you’ve ever wondered why Sondheim does not write simple characters or which Sondheim musical inspired Stephen Colbert to perform, check out the video below.