"Piano Man" was inspired by Billy Joel's time playing at a piano bar in Los Angeles. The "real estate novelist" was a guy who always talked about writing a book, but spent all his spare time in the bar.
John Lennon wrote "The Continuing Story of Bungalow Bill" about Richard Cooke, a hunter he met at the Maharishi's camp in India. Cooke hasn't shot anything since the camp, except with his camera - he became a freelance photographer for National Geographic.
The line, "Gotta keep 'em separated" in "Come Out And Play" by The Offspring came to lead singer Dexter Holland when he was a medical student and needed to keep bacteria samples away from each other.
"Oh Well," from their 1960s Peter Green era, is the only Fleetwood Mac song played in concert in every decade they've been extant.
Ellie Goulding's hit song "Lights" is about her fear of the dark, which forces the singer to sleep with the lights on.
The closing lyrics in "One Week" by Barenaked Ladies are "Birchmount Stadium, home of the Robbie," which refers to a soccer tournament in Ontario.
A Soul Train dancer takes us through a day on the show, and explains what you had to do to get camera time.
Lita talks about how they wrote songs in The Runaways, and how she feels about her biggest hit being written by somebody else.
The Winger frontman reveals the Led Zeppelin song he cribbed for "Seventeen," and explains how his passion for orchestra music informs his songwriting.
Elvis, Little Richard and Cheryl Cole have all sung about Teddy Bears, but there is also a terrifying Teddy song from 1932 and a touching trucker Teddy tune from 1976.
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.
Fiona's highly-anticipated third album almost didn't make it. Here's how it finally came together after two years and a leak.