"Constant Craving" by k.d. lang deals with principles of Buddhism, including the cycles of birth and death.
"Kashmir" is the only Led Zeppelin song to use outside musicians, as it needed strings and horns.
"Up Around The Bend" by Creedence Clearwater Revival had a different meaning to British listeners. In England, to go "Around the bend" means to go crazy.
"Handle With Care" started as a George Harrison song with guest appearances by Roy Orbison, Bob Dylan, Tom Petty and Jeff Lynne, but it went so well the five of them decided to form a group - The Traveling Wilburys - and record an entire album.
Musically, the Twisted Sister song "We're Not Gonna Take It" is based on the Christmas tune "O Come All Ye Faithful."
An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
Was "Pearl" Eddie Vedder's grandmother, and did she really make a hallucinogenic jam? Did Journey have a contest to name the group? And what does KISS stand for anyway?
"Mony Mony," "Crimson and Clover," "Draggin' The Line"... the hits kept coming for Tommy James, and in a plot line fit for a movie, his record company was controlled by the mafia.
Nirvana, Billy Joel and Bruce Springsteen are among those who wrote songs with cities that show up in this quiz.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).
Wes Edwards takes us behind the scenes of videos he shot for Jason Aldean, Dierks Bentley and Chase Bryant. The train was real - the airplane was not.