who sang climb every mountain in the movie the sound of music
Climb Ev'ry Mountain In the original stage play, the Mother Abbess sings the song at the end of the first act. When Ernest Lehman wrote the screenplay for the film adaptation, he shifted the scene so that this song would be the first major song of the second act. When Robert Wise and his film crew were filming this scene, Peggy Wood had some reservations about the words, which she felt were too "pretentious."[3] So they filmed Peggy Wood in silhouette, against the wall of the set for the Mother Abbess' office. Peggy Wood's singing voice is dubbed by Margery MacKay, the wife of the rehearsal pianist Harper MacKay, as Wood was not able to sing the high notes of the song. The last note that the Mother Abbess sings in the film is an F-sharp (F#5).