Kelly Rowland was the first Destiny's Child member to have a hit away from the group: her Nelly duet "Dilemma."
"Celebration" by Kool & the Gang has a deeper meaning - it was inspired by a verse in the Quran where angels celebrate as God creates man.
Neil Diamond wrote "I'm A Believer" early in his career. It was a hit for The Monkees and revived by Smash Mouth in 2001 for the movie Shrek, helping make Diamond cool again.
"No Scrubs" introduced the term "scrub" to the popular lexicon, and defined it in the opening lines ("a scrub is a guy that think he's fine...").
Sarah McLachlan wrote "Angel" about the Smashing Pumpkins touring keyboard player Jonathan Melvoin, who overdosed on heroin and died in 1996.
The Doobie Brothers' swampy #1 hit "Black Water" is about the Mississippi River, evoking the rafting adventures Mark Twain and Huckleberry Finn.
The British reggae legend tells the story of his #1 hit "Close To You," talks about his groundbreaking Shabba Ranks collaboration "Housecall," and discusses his latest project with Robin Trower.
Charlie discusses the songs that made him a Southern Rock icon, and settles the Devil vs. Johnny argument once and for all.
Outrageously gifted and just plain outrageous, Millie is an R&B and Rap innovator.
Surprise exits, a catfight and some very memorable performances make our list of the most memorable Idol moments.
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
Smith breaks down some of his worship tracks as well as his mainstream hits, including "I Will Be Here For You" and "A Place In This World."