"Do The Bartman," released at the peak of Simpsons-mania, has uncredited backup vocals by Michael Jackson, who later appeared on the show.
Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.
Lindsay Lohan sued Pitbull for defamation over the line in his song "Give Me Everything (Tonight)," ""I got it locked up like Lindsay Lohan."
"Closing Time" by Semisonic was written by the lead singer when his wife was pregnant. Some of the lyrics are about being born.
Before "Rap" was a form of music, it was something guys did to pick up girls in nightclubs. Donnie talks about "The Rapper" and reveals the identity of Leah.
Did Eric Clapton really steal George's wife? What's the George Harrison-Monty Python connection? Set the record straight with our Fact or Fiction quiz.
With Bernie Taupin, Martin co-wrote the #1 hits "We Built This City" and "These Dreams." After writing the Pretty Woman song for Go West, he had his own hit with "In the House of Stone and Light."
Lots of life lessons in these Eagles lyrics - can you match them to the correct song?
Country songs with titles so bizarre they can't possibly be real... or can they?
Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).