Bowie's "activist" days of 1964 led to Ziggy Stardust.
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.
Fagen talks about how the Steely Dan songwriting strategy has changed over the years, and explains why you don't hear many covers of their songs.
The powerhouse producer behind Janet Jackson's hits talks about his Boyz II Men ballads and regrouping The Time.
Was "Ring Of Fire" really used to sell hemorrhoid cream?
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.
Elton John's songwriting partner Bernie Taupin wrote the original lyrics for Starship's "We Built This City." It was the first Hot 100 Top 10 hit Taupin wrote without John.
Madonna wrote a song called "Love Won't Wait" that she didn't want, but became a UK #1 hit for Gary Barlow.
Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."
Duran Duran's "Wild Boys" is based on the book of the same name by William Burroughs.
Stevie Ray Vaughan played lead guitar on the David Bowie song "Let's Dance."
Paula Abdul's "Forever Your Girl" was written by Oliver Leiber, who despite being the son of Jerry Leiber from Leiber & Stoller, was an unknown songwriter.