Kacey Musgraves offered "Follow Your Arrow" to her friend Katy Perry, but Perry thought Musgraves should record the song herself, telling Kacey it seemed "like something that you would totally say."
Dexys Midnight Runners' "Come on Eileen" is based on a real girl called Eileen that the band's Kevin Rowland had a relationship with in his early teenage years.
The rockabilly sound was big in the late 1950s, when Buddy Holly was popular. One of the biggest hits in that genre was the #1 "Party Doll" by Buddy Knox, which used a cardboard box filled with cotton as the drums.
Colbie Caillat sang "Bubbly" when she auditioned for American Idol in 2004, but was sent packing. Three years later it became a big hit when she released it as her first single - the song spent 19 weeks at #1 on the Adult Contemporary chart.
The '40s hit "Rum and Coca-Cola" is really about American soldiers soliciting prostitutes in Trinidad.
"Everybody Wants To Rule The World" was a line from a 1980 Clash song called "Charlie Don't Surf." Tears For Fears used it as the title of their 1985 hit.
Call us crazy, but we like it when an artist comes around who doesn't mesh with the status quo.
When he was playing Ozzfest with Black Label Society, a kid told Zakk he was the best Ozzy guitarist - Zakk had to correct him.
Ozzy biting a dove? Alice Cooper causing mayhem with a chicken? Creed so bad they were sued? See if you can spot the real concert mishaps.
Lyrics don't always follow the rules of grammar. Can you spot the ones that don't?
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
Jon Anderson breaks down the Yes classic "Seen All Good People" and talks about his 1000 Hands album, which features Chick Corea, Rick Derringer, Ian Anderson, and many other luminaries.