Elisabeth von Trapp, granddaughter of the Real Maria von Trapp said  "I must say that I thought Lady Gaga's celebration at the Oscars was exquisite – her voice being perfect for the medley – and beautifully choreographed. Her rendition once again highlighted the beauty and timelessness of Rodgers and Hammerstein's masterpiece: The Sound of Music." playbill - http://www.playbill.com/news/article/von-trapp-family-member-responds-to-lady-gagas-sound-of-music-performance-342761