VIDEO: TODAY Goes Behind-the-Scenes of THE SOUND OF MUSIC LIVE

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The Today Show gave viewers a behind-the-scenes look at tonight's live broadcast of THE SOUND OF MUSIC (8/7c). Check it out below!

"I didn't grow up in the mountains," says star Carrie Underwood about her similarities to her iconic role of 'Maria.' "But I grew up outside and nobody could stop me from singing - people tried!" As far as her concerns about performing on live TV, the singer says, ""I'm not worried about mistakes because I know they'll happen," she said. "Somebody's going to trip or something coming down the stairs - hopefully not fall down the stairs."

NBC's "The Sound of Music Live!," a three-hour live event, premieres tonight Thursday, December 5 at 8/7C. Six-time Grammy Award winner Carrie Underwood stars as Maria with "True Blood" star Stephen Moyer as Capt. Georg von Trapp plus 5-time Tony-Award winner Audra McDonald as Mother Abbess and you have a new version of this beloved Broadway musical classic.

Also co-starring are Tony Award winners Laura Benanti (Elsa Schrader) and Christian Borle (Max Dettweiler). The young cast set to play the von Trapp children are Ariane Rinehart (Liesl), Michael Nigro(Fredrich), Ella Watts-Gorman(Louisa), Joe West (Kurt), Sophia Anne Caruso (Brigitta), Grace Rundhaug (Marta) and Peyton Ella as young Gretl.

The live holiday spectacular is based on the original 1959 Broadway production of "The Sound of Music," starringMary Martin and Theodore Bikel, with a book by Howard Lindsay and Russel Crouse. The iconic story centers on a young woman who leaves an Austrian convent to become a governess to the seven children of a naval officer widower.

"The Sound of Music Live!" is executive produced by Neil Meron and Craig Zadan. Beth McCarthy-Miller and Rob Ashford serve as co-directors. "The Sound of Music Live!" is produced by Universal Television.

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