Madonna wrote a song called "Love Won't Wait" that she didn't want, but became a UK #1 hit for Gary Barlow.
Bruce Springsteen originally wrote "Fire" for Elvis Presley in 1977, and even sent him a demo. Sadly the King died before he ever heard it, and it was left to the Pointer Sisters to record the song.
"Oh Happy Day" was recorded in a church and sold to raise money for the choir. It's the only genuine gospel song to become a pop hit.
The party tune "Mambo No 5 (A Little Bit Of)" was the theme song for the 2000 Democratic Convention (the party of Bill Clinton), until someone noticed the line, "A little bit of Monica in my life."
"Heaven Is A Place On Earth" writer Ellen Shipley got the idea for the song from a gas station greeting card that said "Heaven On Earth."
"Return To Innocence" by Enigma is based on a Taiwanese chant by a husband and wife. The couple won a lawsuit granting them royalties from the song.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
The country hitmaker talks about his debut album, A Rock, and how a nursery rhyme inspired his hit single "One Beer."
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.
Vince Gill, Emmylou Harris and Lyle Lovett are just a few of the artists who have looked to Clark for insightful, intelligent songs.
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
In her days with The Runaways, Joan Jett saw The Arrows perform "I Love Rock And Roll," which Alan Merrill co-wrote - that story and much more from this glam rock pioneer.