"Sweet Child O' Mine" by Guns N' Roses is about Erin Everly, who was Axl Rose's girlfriend at the time. She is the daughter of Don Everly of the Everly Brothers.
Paul McCartney wrote "Hey Jude" to comfort John Lennon's 5-year-old son Julian, whose parents were getting a divorce.
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.
"Paper Planes" was inspired by M.I.A.'s hassles trying to get a visa to enter America.
Adele isn't a ghost when she sings, "Hello from the other side" - it means the "other side of becoming an adult."
Pink Floyd's "Talkin' Hawkin'" uses a sample of Stephen Hawking's synthesized voice taken from a speech he made for a 1994 British Telecom commercial.
The Evanescence frontwoman on the songs that have shifted meaning and her foray into kids' music.
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
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.
Stage urinals, flute devices, and the real Aqualung in this Fact or Fiction.
