Which live musicals starred Carrie underwood and Laura be anti? 
Laura Benanti:  She played Baroness Elsa Schräder in the 2013 NBC television production of "The Sound of Music Live! The Sound of Music Live!:  Produced by Craig Zadan and Neil Meron, the special was an adaptation of Rodgers and Hammerstein's Broadway musical "The Sound of Music", starring country singer Carrie Underwood as Maria von Trapp, performed and televised live from Grumman Studios in Bethpage, New York.
The Sound of Music Live!