Stephen Sondheim In 1957, "West Side Story" opened; directed by Jerome Robbins, it ran for 732 performances. Sondheim has expressed dissatisfaction with his lyrics, saying that they do not always fit the characters and are sometimes too consciously poetic. While Bernstein was working on "Candide", Sondheim reportedly wrote some of "West Side Story"s music; Bernstein's co-lyricist credit disappeared from "West Side Story" during its tryout, possibly as a trade-off. Sondheim insisted that Bernstein told the producers to list him as the sole lyricist. He described the division of the royalties, saying that Bernstein received three percent and he received one percent. Bernstein
Stephen Sondheim told him he was working on a musical version of "Romeo and Juliet" with Leonard Bernstein, but they needed a lyricist; Betty Comden and Adolph Green, who were supposed to write the lyrics, were under contract in Hollywood. He said that although he was not a big fan of Sondheim's music, he enjoyed the lyrics from "Saturday Night" and he could audition for Bernstein. The following day, Sondheim met and played for Bernstein, who said he would let him know. The composer wanted to write music and lyrics; after consulting with Hammerstein, Bernstein told Sondheim he could write music later.