The Sound of Music Do, Re, Mi montage

Photo: Courtesy of Twentieth Century Fox

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It took the cast take after take of "Do, Re, Mi" to get it right.

"Filming that montage was probably, for me, the quintessential moment of the film," Julie says. "I knew that at the end of the song that I would be climbing all those steps, and so I asked if I could do the huge octave leap and everybody said go for it. That's sort of how it came about."