"Coming Home" by Diddy - Dirty Money was originally iwritten for for T.I., who was getting out of prison at the time.
The only cover of "American Pie" to chart is by Madonna, whose 2000 version was a minor hit in America but went to #1 in the UK.
"Forever" by Chris Brown was written for a Wrigley's Doublemint Gum commercial. The full song contains the gum's tagline: "Double your pleasure, double your fun."
"Won't Get Fooled Again" by The Who is about a revolution, but it doesn't have a happy ending, since in the end the new regime becomes just like the old one. Pete Townshend thought that whoever was in power was destined to become corrupt.
After the Beastie Boys sampled a bunch of Led Zeppelin songs, Robert Plant did it himself on his 1988 solo hit "Tall Cool One," which sampled "Whole Lotta Love," "Black Dog" and "The Ocean."
George Harrison's 1971 song "Bangla Desh" was the first major charity single. It was part of a concert held to bring relief to the people of Bangladesh, who were fighting for independence and suffering from a famine.
A founding member of the band War, Harold gives a first-person account of one of the most important periods in music history.
Iron Maiden, Adele, Toto, Eminem and Earth, Wind & Fire are just some of the artists with songs directly inspired by movies - and not always good ones.
Go beyond The Beatles to see what you know about the British Invasion.
On Glen's résumé: hit songwriter, Facebook dominator, and member of Styx.
Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
Find out how God and glam metal go together from the Stryper frontman.