Grab your warm woolen mittens and cozy up for a sneak preview of Carrie Underwood, Audra McDonald, Christian Borle, Stephen Moyer and Laura Benanti (a.k.a. the self-proclaimed “Marlon Brando of musical theater”) in rehearsal for Sound of Music Live! NBC has released an extended first look at the cast hard at work learning "My Favorite Things," "Edelweiss," "How Do You Solve a Problem Like Maria," "Do-Re-Mi" and more before they perform the whole musical “in front of the entire universe” on December 5. Oh, and did we mention it’s live? Click below for a sneak peek of “The Sound of Music for a new generation” (and see Broadway faves Borle and Benanti cracking jokes in rehearsal) before they take the small screen by storm!