
The biggest hit of 2015 was "Uptown Funk," a collaboration between Bruno Mars and guitarist/producer Mark Ronson. Ronson says making it took "six or seven months of chasing Bruno around on tour."

Pink wrote "Just Give Me A Reason" about how one partner can feel jilted over something trivial, like how her boyfriend passes her the butter.

"Womanizer" was Britney Spears' comeback song, going to #1 about 10 months after she was institutionalized to get treatment for addictions and mental health issues.

"Crank That (Soulja Boy)" was the most successful digital track of 2007 in the US with 2,909,000 downloads. On January 6, 2008 it became the first song ever to sell 3 million digital copies in the States.

Ronnie Spector nailed the vocal for The Ronettes song "(Walking) In the Rain" on the first take -- unheard of in the perfectionist producer Phil Spector's world.

Eminem sampled a song by Labi Siffre on "My Name Is." Siffre, a gay activist, made Em take out some gay humor in the lyric before allowing it.
"Mr. Jones" took on new meaning when the song about a misguided view of fame made Adam famous.
First question: Michael Jordan and Magic Johnson appeared in videos for what artist?
The Bush frontman on where he finds inspiration for lyrics, if his "machine head" is a guitar tuner, and the stories behind songs from the album The Kingdom.
One of the most successful songwriters in the business, Desmond co-wrote "Livin' La Vida Loca," "Dude (Looks Like A Lady)" and "Livin' On A Prayer."
A popular contemporary folk singer, Williams still remembers the sticky note that changed her life in college.