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 write for the theatre, so I wanted someone who did not disdain theatre music." Barrow suggested that Sondheim study with Milton Babbitt, who Sondheim described as "a frustrated show composer" with whom he formed "a perfect combination". When he met Babbitt, he was working on a musical for Mary Martin based on the myth of Helen of Troy. Sondheim and Babbitt would meet once a week in New York City for four hours (at the time, Babbitt was teaching at Princeton University). According to Sondheim, they spent the first hour dissecting Rodgers and Hart or George Gershwin or studying Babbitt's