Prince Markie Dee of The Fat Boys co-wrote the Mary J. Blige hit "Real Love."
UB40's cover of Neil Diamond's "Red Red Wine" was a minor hit when first released in 1983, but it went to #1 five years later when radio stations in Phoenix started playing it.
The guys from Chic wrote "Le Freak" as a message to a doorman who wouldn't let them into a club. Originally, it was "F--- Off."
"What's Up" by 4 Non Blondes has endured as one of the most popular songs of the '90s, but it wasn't a huge hit at the time and the band split after one album. Frontwoman Linda Perry went on to write hits for Pink and Christina Aguilera.
When "Last Friday Night (T.G.I.F.)" climbed to #1 on the Hot 100, Katy Perry became the first woman to send five songs from one album to the top of the charts. The four previous chart-toppers from her Teenage Dream set were "California Gurls," "Teenage Dream," "Firework" and "E.T."
"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.
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
The flautist frontman talks about touring with Led Zeppelin, his contribution to "Hotel California", and how he may have done the first MTV Unplugged.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
You know the scenes - Tom Cruise in his own pants-off dance off, Molly Ringwald celebrating her birthday - but do you remember what song is playing?
Does Angus really drink himself silly? Did their name come from a sewing machine? See if you can spot the real stories about AC/DC.
In the summer of 1990, you could get arrested for selling a 2 Live Crew album or performing their songs in Southern Florida. And that's exactly what happened.