The guys from Chic wrote "Le Freak" as a message to a doorman who wouldn't let them into a club. Originally, it was "F--- Off."
Tired of X-Factor winners getting the UK Christmas #1, British Facebook users staged a successful campaign to download "Killing In The Name" by Rage Against The Machine enough times to boost the song to the top in 2009, blocking the X-Factor single by Joe McElderry.
"The Candy Man" is the opening song in the 1971 movie Willie Wonka And The Chocolate Factory, but the version released as a single was by Rat Pack member Sammy Davis Jr. It was a #1 hit and became his signature song even though his audience was very adult.
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."
"Que Sera, Sera (Whatever Will Be, Will Be)" was written for Doris Day to sing in the Alfred Hitchcock movie The Man Who Knew Too Much.
Donna Summer's "Bad Girls" is about prostitutes, but it was still used in the movie Rugrats In Paris.
Tyler talks about his true love: songwriting. How he identifies the beauty in a melody and turns sorrow into art.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
One of the most popular classical vocalists in the land is lining up a trip to space, which is the inspiration for many of her songs.
These overtly religious songs crossed over to the pop charts, despite resistance from fans, and in many cases, churches.
The Canadian superstar talks about his sudden rise to fame, and tells the stories behind his hits "Sunglasses At Night," "Boy In The Box" and "Never Surrender."
Yngwie Malmsteen and Steve Vai were two of Graham's co-writers for some '80s rock classics.