"Crazy Kids'" lyrics were inspired by a birthday party of Ke$ha's, which she described as, "one crazy night."
Stevie Wonder wrote his own version of "Happy Birthday" in an attempt to get Martin Luther King's birthday declared a national holiday.
Sweet's hit "Ballroom Blitz" was inspired by an incident in 1973 when the band were performing in Scotland and driven offstage by a barrage of bottles.
"Irreplaceable" wasn't specifically penned for Beyonce - in fact, Ne-Yo wrote it more as a country song and had Faith Hill and Shania Twain in mind.
Phil Collins' "Take Me Home" is about a patient in a mental institution and was inspired by the novel One Flew Over the Cuckoo's Nest.
The song "Knock On Wood" was confusing to UK listeners because the saying there is "Touch Wood."
An original member of Depeche Mode, Vince went on to form Erasure and Yaz.
Was "Pearl" Eddie Vedder's grandmother, and did she really make a hallucinogenic jam? Did Journey have a contest to name the group? And what does KISS stand for anyway?
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
Prince is shrouded in mystery, making him an excellent candidate for Fact or Fiction. Is he really a Scientologist? Does he own an exotic animal?
Is Owl City on a quest for another hit like "Fireflies?" Adam answers that question and explains the influences behind many others.