Right now Idina Menzel, LaChanze, Anthony Rapp and the cast of the upcoming Broadway musical, If/Then are on a bus barreling toward Washington, D.C. for their world premiere. Though the stars are probably singing travel songs, sharing snacks or snoozing, we are wide awake obsessively listening to this exclusive snippet from the new Tom Kitt-Brian Yorkey musical's opening number. Rock out with cast member Tyl…
SOURCE: Broadway.com at 12:37PM on October 16, 2013