Alicia Keys, Elton John, Fergie, and Rihanna all sang on "All of the Lights" by Kanye West.
"Mr. Roboto" by Styx was written by their keyboard player, Dennis DeYoung, who used Japanese words and imagery to create an allegory about censorship.
"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.
The Annie Lennox hit "No More I Love You's" is a cover, originally sung by a man.
When "When I Think of You" hit #1, Janet and Michael Jackson became the first siblings with chart topping solo hits in the United States.
The Mission: Impossible theme is in 5/4 time. Composer Lalo Schifrin joked that he did it so 5-legged aliens could dance to it.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
Writing with Phil Lynott, Scott saw their ill-fated frontman move to a darker place in his life and lyrics.
Bowie's "activist" days of 1964 led to Ziggy Stardust.
One of the most popular classical vocalists in the land is lining up a trip to space, which is the inspiration for many of her songs.
Dean wrote the screenplay and lyrics to all the songs in Footloose. His other hits include "Fame" and "All The Man That I Need."
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.