The hills are alive with Carrie Underwood!  Check out the first glimpse of Carrie Underwood as Maria von Trap in 'The Sound of Music.'

'True Blood's' Stephen Moyer will play the part  of Captain von Trapp, the widower who falls for Maria when she becomes the governess to his seven children.

'The Sound of Music' airs live on December 5th at 8pm on NBC.

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