E.Y. (Yip) Harburg explains how songwriting needs to use and elevate street language to be successful, why he likes rainbows, and what creators of art and music owe the world. He also reads from his book "Rhymes for the Irreverent". Music is played from Finian's Rainbow: "When the Idle Poor Become the Idle Rich" and "How Are Things in Glocca Morra?", original Broadway cast recording. Part 2. Music has been removed from this recording for copyright reasons.