From punk-rock opera to Broadway musical
Who’s an American idiot? Certainly not Green Day. In 2004, the trio of Billie Joe Armstrong, Mike Dirnt, and Tré Cool revived their band’s career with a concept album, “American Idiot,’’ which snagged a Grammy and a ton of favorable press. It became a one-act stage musical and in 2010 went on to Broadway, where it ran for over a year. Now its first national tour has begun, and it&…