The Rain In Spain

Audrey Hepburn (Marni Nixon singing), Rex Harrison, and Wilfrid Hyde-White in My Fair Lady (1964).

Wouldn't It Be Loverly?

Wouldn't It Be Loverly?

Marni Nixon dubbed over Audrey Hepburn in My Fair Lady (1964). Forgive the embedding-disabled link.

Just You Wait

Audrey Hepburn (Marni Nixon singing) in My Fair Lady (1964).

Shall We Dance?

Deborah Kerr (Marni Nixon singing) & Yul Brynner in The King and I (1956).

This movie won Academy Awards for Best Actor (Yul Brynner), Best Art Direction, Best Costume Design (Color) and Best Music (Scoring of a Musical Picture), all of which can be seen here.