Thirty-seven-year-old Darren Criss is a star on Broadway, and a regular at piano bars. "Keep the music going, you know?" he said. "I think the expression goes, 'Life is a cabaret!'"When he's in Los Angeles,

Darren Criss is always "nervous" to go on stage. The 37-year-old actor has been treading the boards since he was a child and became known around the world when he starred in the Fox musical drama series 'Glee' in the late 2000s but insisted that being anxious before he goes out to an audience just means that he "cares" about the show he is in.

Darren Criss became a fan favorite on the hit TV series "Glee," and won an Emmy for "American Crime Story." Now he's starring in the acclaimed musical "Maybe Happy Ending." He talks with correspondent Kelefa Sanneh about his road to Broadway,

In this web exclusive, Darren Criss and the Young People's Chorus of New York City help "Sunday Morning" celebrate the holiday in a performance of Criss' "Christmas Dance."