Cool (West Side Story song) Cool (West Side Story song) "Cool" is a song from the musical "West Side Story". Leonard Bernstein composed the music and Stephen Sondheim wrote the lyrics. This song is known for its fugal treatment of a jazz figure, described by one writer as "possibly the most complex instrumental music heard on Broadway to date". In 2011, actor Harry Shum Jr. performed the song, as his character Mike Chang from TV series "Glee", in the third episode of season 3, "Asian F" (aired on October 4). An episode of "Animaniacs" features a parody version as "Coo Bird" sung by Bobby of
Stephen Sondheim has ever done that. Eighteen years later, Sondheim refused Bernstein and Robbins' request to retry the show. He has lived in a Turtle Bay, Manhattan brownstone since writing "Gypsy" in 1959. Ten years later, while he was playing music he heard a knock on the door. His neighbor, Katharine Hepburn, was in "bare feet – this angry, red-faced lady" and told him "You have been keeping me awake all night!" (she was practicing for her musical debut in "Coco"). When Sondheim asked why she had not asked him to play for her, she said she lost his phone number. According