The song "Don't Worry Be Happy" doesn't use any instruments - it's all Bobby McFerrin using various parts of his body to make the sounds.
The R.E.M. song "Don't Go Back To Rockville" is about Mike Mills' girlfriend at the University of Georgia, who had to go back to Rockville, Maryland, for the summer.
Bobby Freeman's '50s hit "Do You Want To Dance" was also a Hot 100 hit for Del Shannon, The Beach Boys, The Mamas & the Papas, Bette Midler and the Ramones.
Rihanna claims that "S&M" is about her love/hate relationship with the media. Apparently her paparazzi are using whips and chains.
"Tomorrow People" by Ziggy Marley is the first song by a Marley to crack the US Top 40; the highest Bob got was #51 with "Roots, Rock, Reggae."
The "Don't Stop Believin'" resurgence started when the Journey song was used in a roller skating scene of the 2003 movie Monster.
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).
How well do you know your protest songs (including the one that went to #1)?
Waters tells the "Gypsy Woman" story, shares some of her songwriting insights, and explains how Dennis Rodman ended up on one of her songs.
Johnny Depp, Angelina Jolie, Mila Kunis and John Malkovich are just a few of the film stars who have moonlighted in music videos.
Test your metal - Priest, Maiden, and Beavis and Butt-head show up in this one.
Rockers, rappers and pop stars have been known to quote the Bible in their songs. See if you match the artist to the biblical lyric.