Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.
Ronnie Dunn wrote "Boot Scootin' Boogie" before he teamed up with Kix Brooks to form Brooks & Dunn. It was originally recorded by the country group Asleep At The Wheel, but Brooks & Dunn did it themselves when it got its own line dance.
Tom Cochrane wrote "Life Is A Highway" to pull himself out of a funk following an exhausting humanitarian trip to Africa.
"Renegade" by Styx wasn't a big hit when it was released in 1978, but it became one of their most popular songs thanks in part to the Pittsburgh Steelers, who started playing it at home games in 2001 to fire up the team and fans.
Cheap Trick's original version of "I Want You To Want Me" was countrified and kind of hokey. When they sped it up for their Live At Budokan album, it became a huge hit.
"Dirty Work" is one of the few Steely Dan songs not sung by Donald Fagen. The lead vocal is by David Palmer, who sang on two tracks from their debut album.
An interview with Ray and Derek Shulman of the progressive rock band Gentle Giant to discuss counterpoint, polyrhythms, and... Bon Jovi.
Here's what happens when an opening act is really out of place with the headliner, like when Beastie Boys opened for Madonna.
These Three famous songs actually describe how they were written - late into the evening.
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.
The rock revolutionist on songwriting, quitting smoking, and what she thinks of Rush Limbaugh using her song.
