The Windows of the World three tracks cut for Warwick's precedent "On Stage and in the Movies" album which were omitted from the last-named album's finalized track listing: "What's Good About Goodbye", a Leo Robin/Harold Arlen composition introduced in the 1948 film "Casbah"; "Somewhere" composed by Stephen Sondheim and Leonard Bernstein for the stage musical "West Side Story"; and "You're Gonna Hear From Me" (writers: Dory Previn/André Previn) a song introduced in the film "Inside Daisy Clover" (1965). The back cover of the original album listed the song "Taking a Chance on Love" (writers: Vernon Duke/John La Touche and Ted Fetter), introduced in the all-black
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.