Thirty-seven-year-old Darren Criss is a star on Broadway, and a regular at piano bars. "Keep the music going, you know?" he ...

In all of these productions, Darren Criss played the role of Harry Potter and co-wrote the music and lyrics. These plays were initially performed at the University of Michigan campus, although ...

Darren Criss, with correspondent Kelefa Sanneh. / Credit: CBS News One rule in a piano bar? Play the hits. Criss had his first hit at the University of Michigan. He starred as Harry Potter in an ...