Singer Carrie Underwood has responded to blogosphere criticism about her starring as Maria in an upcoming NBC remake of "The Sound of Music."

"I get hate tweets and stuff like, 'You're not Julie Andrews!' " Underwood, 30, says in the current issue of Entertainment Weekly, referring to the star of the famed 1965 film version. "I know I'm not Julie. Nobody is, and I would never pretend that I was; I know my place."

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"We are all hyperaware that this is on her," adds Christian Borle, who plays Max Dettweiler in the live TV special airing Thursday. "There's no understudy."

Andrews -- who herself was not the original Maria; Mary Martin originated the role on Broadway in 1959 -- supported her successor, telling two weeks ago, "Fifty years later, it's time somebody had another crack at it. I had the best time of my life doing it, and it did wonderful things for me. I think it's great that it's being done again, but doing it live must be so daunting for Carrie."

She additionally told Larry King recently: "I wish it well, that's for sure. A live broadcast, poor lady!"