The Goo Goo Dolls got the title for their song "Iris" from a Country singer named Iris DeMent.
"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.
Christina Aguilera did her "Beautiful" vocal in one take; the opening line, "Don't look at me," is something she said to her friend in the studio who was there to offer support.
The band Simple Minds took their name from the line "He's so simple minded he can't drive his module" in David Bowie's "The Jean Genie."
Iggy Pop wrote "Lust For Life" with David Bowie, who came up with the music on a ukulele.
If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music clip, which was the world's first ever 24-hour music video.
Michelob commercials generated hits for Eric Clapton, Genesis and Steve Winwood in the '80s, even as some of these rockers were fighting alcoholism.
Scaramouch, a hoople and a superhero soundtrack - see if you can spot the real Queen stories.
Even before Soundgarden wrote a song about him, Artis was the most famous spoon player of all time. So why has he always been broke?
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
The stories behind "Shine," "December," "The World I Know" and other Collective Soul hits.
Are classic songs like "Over The Rainbow" and "Take Me Out to the Ballgame" in the public domain?