"Airplanes" by B.o.B was written by Lupe Fiasco, who recorded it but decided to pass.
In Metallica's 1986 metal classic "Master Of Puppets," the "Master" represents drugs, controlling the user like a puppet. Lead singer James Hetfield wasn't an addict at the time, but 15 years later he needed rehab to treat his alcoholism.
Elton John had a huge hit duetting with Kiki Dee on "Don't Go Breaking My Heart," but he's also performed it with RuPaul and Miss Piggy.
Calvin Harris' "Blame" was the first song to break 10 million streams in a week on Spotify. The record was set during the seven days of September 8 to September 14, 2014.
Shaggy wrote his swaggering hit "Boombastic" after learning what "shag" means in the UK.
Eminem spits a total of 1,560 words on "Rap God," earning him an entry in the 2015 Guinness Book of Records for "most words in a hit single."
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.
The lead singer/lyricist of The Beach Boys talks about coming up with the words for "Good Vibrations," "Fun, Fun, Fun," "Kokomo" and other classic songs.
The outlaw country icon talks about the spiritual element of his songwriting and his Bob Dylan mention.
We've heard of artists putting their hearts into their music, but some take it literally.
Martyn talks about producing Tina Turner, some Heaven 17 hits, and his work with the British Electric Foundation.
Have you got the smarts to know which of these graduation song stories are real?