The Devo song "Freedom Of Choice" is about mindless consumerism - how people like to make frivolous choices, but otherwise want to be told what to do.
Bob Marley's backup singers, The I Threes, claim they are the "Three Little Birds" in his famous song.
"After Midnight" was written by the Oklahoma guitarist J.J. Cale, who was dirt poor until Eric Clapton recorded his song and turned it into a hit.
When Tony Bennett and Amy Winehouse's version of "Body and Soul" made the Hot 100, Bennett became at age 85, the oldest living artist to chart.
"Bad, Bad Leroy Brown" is about a guy Jim Croce met in the National Guard, which Jim joined to keep him out of Vietnam. Leroy went AWOL, but got caught when he tried to pick up his paycheck.
The Phoenix song "1901" is about Paris. Their lead singer Thomas Mars said: "Paris in 1901 was better than it is now. So the song is a fantasy about Paris."
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
Many actors have attempted music, but only a few have managed a hit. Do you know which of these thespians charted?
Iron Maiden, Adele, Toto, Eminem and Earth, Wind & Fire are just some of the artists with songs directly inspired by movies - and not always good ones.
Rob Halford, Richie Faulkner and Glenn Tipton talk twin guitar harmonies and explain how they create songs in Judas Priest.
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
David Gray explains the significance of the word "Babylon," and talks about how songs are a form of active imagination, with lyrics that reveal what's inside us.