<P> Nixon made guest appearances with Leonard Bernstein 's Young People 's Concerts , including in 1960 , singing `` Improvisation sur Mallarmé I '' from Pli selon pli by Pierre Boulez , and on April 9 , 1961 , in a program entitled `` Folk Music in the Concert Hall '' , singing three `` Songs of the Auvergne '' by Joseph Canteloube . Before My Fair Lady was released in theatres in 1964 , Nixon played Eliza in a revival of the musical at New York City Center . Nixon 's first onscreen appearance was as Sister Sophia in the 1965 film The Sound of Music . In the DVD commentary to the film , director Robert Wise comments that audiences were finally able to see the woman whose voice they knew so well . In 1967 , she was the singing voice of Princess Serena in a live action and animated version of Jack and the Beanstalk on NBC . Especially in the 1960s , but also earlier and later , Nixon made concert appearances , specializing in contemporary music as a soloist with the New York Philharmonic , and gave recitals at Carnegie Hall , Alice Tully Hall and Town Hall in New York City . </P>
<P> Nixon made guest appearances with Leonard Bernstein 's Young People 's Concerts , including in 1960 , singing `` Improvisation sur Mallarmé I '' from Pli selon pli by Pierre Boulez , and on April 9 , 1961 , in a program entitled `` Folk Music in the Concert Hall '' , singing three `` Songs of the Auvergne '' by Joseph Canteloube . Before My Fair Lady was released in theatres in 1964 , Nixon played Eliza in a revival of the musical at New York City Center . Nixon 's first onscreen appearance was as Sister Sophia in the 1965 film The Sound of Music . In the DVD commentary to the film , director Robert Wise comments that audiences were finally able to see the woman whose voice they knew so well . In 1967 , she was the singing voice of Princess Serena in a live action and animated version of Jack and the Beanstalk on NBC . Especially in the 1960s , but also earlier and later , Nixon made concert appearances , specializing in contemporary music as a soloist with the New York Philharmonic , and gave recitals at Carnegie Hall , Alice Tully Hall and Town Hall in New York City . </P>
what role did marni nixon play in sound of music
what role did marni nixon play in sound of music
Sister Sophia
Sister Sophia