Task: Explanation
Input (English): Margaret Nixon McEathron (February 22, 1930 – July 24, 2016), known professionally as Marni Nixon, was an American soprano and playback singer for featured actresses in movie musicals. She was best known for dubbing the singing voices of the leading actresses in films, including "The King and I", "West Side Story", and "My Fair Lady". Question: Shall We Dance? was a tune from the musical that was sung by which soprano in the film version? Answer: Margaret Nixon McEathron
Output (English): Margaret Nixon McEathron February 22, 1930 – July 24, 2016, known professionally as Marni Nixon, was an American soprano and playback singer for featured actresses in movie musicals.