Edgar Yipsel Harburg to Crosby, Stills, Nash and Young in 9 Steps
- Edgar Yipsel Harburg wrote Over The Rainbow
- Over The Rainbow was sung by Harry Nilsson
- Harry Nilsson recorded a duet of "A Love Like Yours" with Cher
- Cher is the mother of Chastity Bono
- Chastity Bono was a member of Ceremony
- Ceremony recorded Hang Out Your Poetry
- Hang Out Your Poetry was produced by Mark Hudson
- Mark Hudson is a member of The Laurel Canyon Band
- The Laurel Canyon Band performs the music of Crosby, Stills, Nash and Young