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 parents divorced, on a farm near Doylestown, Pennsylvania. As the only child of well-to-do parents living in the San Remo on Central Park West, he was described in Meryle Secrest's biography ("Stephen Sondheim: A Life") as an isolated, emotionally-neglected child. When he lived in New York, Sondheim attended ECFS, the Ethical Culture Fieldston School known simply as "Fieldston". He later attended the New York Military Academy and George School, a private Quaker preparatory school in Bucks County, Pennsylvania where he wrote his first musical, "By George," and from which he graduated in 1946. Sondheim spent several summers at Camp Androscoggin.