The riff for The Sex Pistols' "Pretty Vacant" was pinched from a very unpunk song, the ABBA ballad "S.O.S."
"Master Blaster (Jammin')" is Stevie Wonder's tribute to Bob Marley, released less than a year before Marley died.
Stevie Wonder wrote his own version of "Happy Birthday" in an attempt to get Martin Luther King's birthday declared a national holiday.
Train wrote the 2011 song "Brand New Book" for the TV show The Biggest Loser - part of the song was used in the opening credits.
An unknown Ke$ha sang on Flo-Rida's #1 hit "Right Round," but refused to appear in the video because she wanted to make a name for herself.
"Margaritaville" is a state of mind, but it's most associated with Key West, Florida, where Jimmy Buffett moved when he was 24.
The guy who brought us "Stacy's Mom" also wrote the Jane Lynch Emmy song and Stephen Colbert's Christmas songs.
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
Charlotte was established in the LA punk scene when a freaky girl named Belinda approached her wearing a garbage bag.
Dwarfs on stage with an oversize Stonehenge set? Dabbling in Satanism? Find out which Spinal Tap-moments were true for Black Sabbath.
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
The Sevendust frontman talks about the group's songwriting process, and how trips to the Murder Bar helped forge their latest album.