Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."
AC/DC's "For Those About To Rock (We Salute You)" is titled after a phrase Roman gladiators said heading into battle: "We who are about to die salute you."
The Genesis song "Invisible Touch" was inspired by the Prince-written Sheila E. track "The Glamorous Life."
Elton John's "Rocket Man" is based on a Ray Bradbury story called The Rocket Man published in 1951.
Dolly Parton is just fine with Whitney Houston's cover of "I Will Always Love You." Said Parton: "She can have the credit. I just want my cash."
"Sing" was inspired by a girl that Ed Sheeran met in Las Vegas in the summer of 2013, when "one thing led to another and now she's kissing my mouth."
Go beyond The Beatles to see what you know about the British Invasion.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
The good doctor shares some candid insights on recording with Phil Spector and The Black Keys.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
Did Rivers Cuomo grow up on a commune? Why did they name their albums after colors? See how well you know your Weezer in this Fact or Fiction.
Do you know who wrote Patti Smith's biggest hit? How about the Grease theme song? See if you can match the song to the writer.