The melody to "Yesterday" came to Paul McCartney in a dream, but the lyrics he had to write consciously. His first attempt at the title was "Scrabble Eggs."
In 1939, a polka craze swept America thanks to "Beer Barrel Polka (Roll Out The Barrel)."
An unknown Kesha (known then as 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.
Lou Reed's 11-minute "Street Hassle" features a spoken part by Bruce Springsteen.
Ariana Grande's collaboration with Zedd, "Break Free" came about after the Russian-German producer overheard Grande performing at a label showcase while he was backstage, and he mentioned to his team that he wanted to work with her.
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.
Billy Joel and Hall & Oates hated making videos, so they chose a director with similar contempt for the medium. That was Jay Dubin, and he has a lot to say on the subject.
Kiss is the subject of many outlandish rumors - some of which happen to be true. See if you can spot the fakes.
How well do you know this shock-rock harbinger who's been publicly executed hundreds of times?
The country sweetheart opines about the demands of touring and talks about writing songs with her famous father.
Ron Nevison explains in very clear terms the Quadrophenia concept and how Heart staged their resurgence after being dropped by their record company.
The drummer for Anthrax is also a key songwriter. He explains how the group puts their songs together and tells the stories behind some of their classics.