Avril Lavigne has a perfume named after her song "Black Star." It smells much better than her Sk8er Boi scent, which reeks of Axe body spray and road grime.
"Crank That (Soulja Boy)" was the most successful digital track of 2007 in the US with 2,909,000 downloads. On January 6, 2008 it became the first song ever to sell 3 million digital copies in the States.
The song "Sadeness" by Enigma (the one with the chanting monks), got its name from the French novelist Marquis de Sade, who believed sex had to be painful in order to be pleasurable - thus the word "sadism."
Before she was famous on Friends, Courteney Cox danced on stage with Bruce Springsteen in his "Dancing In The Dark" video.
The title of Florence + the Machine's "How Big, How Blue, How Beautiful" was inspired by the Los Angeles skyline.
No Doubt's hit "Don't Speak" is about Gwen Stefani's breakup with the band's bass player, Tony Kanal, after seven years together.
Songs that seem to glorify violence against women are often misinterpreted - but not always.
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
When he was asked to write a song for the Singles soundtrack, Mark thought the Seattle grunge scene was already overblown, so that's what he wrote about.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
When a waitress wouldn't take him home, Jack wrote what would become one of the Eagles most enduring hits.
Dave reveals the inspiration for "Feelin' Alright" and explains how the first song he ever wrote became the biggest hit for his band Traffic.
