The hit duet "Somewhere Out There" was written for an animated film about a family of immigrant mice who lose one of their young.
Jay-Z's "Hard Knock Life (Ghetto Anthem)" is based on the song "It's A Hard Knock Life" from the Broadway play Annie.
"Up Around The Bend" by Creedence Clearwater Revival had a different meaning to British listeners. In England, to go "Around the bend" means to go crazy.
Madonna's hit "Don't Tell Me" was written by her brother-in-law, Joe Henry, who has produced albums by Hugh Laurie and Bonnie Raitt.
The line, "I feel the snakebite enter my veins," led many to believe the Godsmack song "Voodoo" is about drugs, but it's really about Wiccan ritual, inspired in part by the Wes Craven movie The Serpent and the Rainbow.
"Regulate" by Warren G. & Nate Dogg broke new ground by sampling a mellow, melodic hit from the '80s: "I Keep Forgettin'" by Michael McDonald.
Graham Nash tells the stories behind some of his famous songs and photos, and is asked about "yacht rock" for the first time.
Dennis DeYoung explains why "Mr. Roboto" is the defining Styx song, and what the "gathering of angels" represents in "Come Sail Away."
The stories behind "Whole Of The Moon" and "Red Army Blues," and why rock music has "outlived its era of innovation."
A talented lyricist, Philip helped revive Neil Sedaka's career with the words to "Laughter In The Rain" and "Bad Blood."
Despite appearances on Carson, Leno and a Pennebaker film, Williams remains a hidden treasure.
An interview with Frankie Valli, who talks about why his songs - both solo and with The Four Seasons - have endured, and reflects on his time as Rusty Millio on The Sopranos.