High Quality Content by WIKIPEDIA articles! Elmer Bernstein (April 4, 1922 – August 18, 2004) was an American composer and conductor best known for his many film scores. In a career which spanned fifty years, he composed music for hundreds of film and television productions. His most popular works include the scores to The Magnificent Seven, The Ten Commandments, The Great Escape, To Kill a Mockingbird, and Ghostbusters.