12/06/2013 02:40 pm ET Updated Feb 05, 2014

What The Real Gretl Von Trapp Thinks Of Carrie Underwood's 'Sounds Of Music' Remake

Amanda Edwards via Getty Images

Gretl Von Trapp from the original "The Sound of Music" movie was left "mystified and disappointed" after last night's live remake on NBC ... and says Carrie Underwood TOTALLY BOMBED!!

Read more on www.tmz.com