Thirty years after Jimi Hendrix played "Fire" at Woodstock, Red Hot Chili Peppers played it at Woodstock '99, but this time the unruly crowd actually set fires and looted.
The actor Dan Aykroyd sang on "We Are The World." LaToya Jackson did too, so we know they weren't all that picky.
"Unchained Melody" first appeared in a 1955 movie called Unchained. The Righteous Brothers recorded it in 1965, and their version was resurrected in the 1990 movie Ghost.
"Walking In Memphis" isn't so much about Memphis as it is The Hollywood Cafe in Mississippi, where Marc Cohn encountered an older woman named Murial playing piano.
The Creedence Clearwater Revival song "Fortunate Son" is about how the Vietnam war was being fought by soldiers without the privilege or connections to get out of it. "It's the old saying about rich men making war and poor men having to fight them," John Fogerty said.
When singing "Cradle Of Love" in concert, Billy Idol often changes a line to, "This song is so cheesy."
Stone Temple Pilots bass player Robert DeLeo names the songs that have most connected with fans and tells the stories behind tracks from their Tiny Music album.
The Evanescence frontwoman on the songs that have shifted meaning and her foray into kids' music.
From the lake in "Roundabout" to Sister Bluebird in "Starship Trooper," Jon Anderson talks about how nature and spirituality play into his lyrics for Yes.
From "Some Day My Prince Will Come" to "Let It Go" - how Disney princess songs (and the women who sing them) have evolved.
"When seeds that you sow grow by the wicked moon/Be sure your sins will find you out/Your past will hunt you down and turn to tell on you."
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.