About:
Leonard Bernstein was an American composer, conductor, pianist, music educator, author, and lifelong humanitarian. He was one of the most significant American cultural personalities of the 20th century. According to music critic Donal Henahan, he was "one of the most prodigiously talented and successful musicians in American history".

• Known For
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  Inside Pop: The Rock Revolution
  as
  Self
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  Joseph Haydn Mass: In Tempore belli
  as
  dirigent
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  West Side Story, le hit de Leonard Bernstein
  as
  himself
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  The Unanswered Question I : Musical Phonology
  as
  Himself
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  The Unanswered Question II : Musical Syntax
  as
  Himself