Katy Perry says her 2008 song "Ur So Gay" is about "guys who wear the guyliner, steal your jeans, and that whole almost hipster emo scene."
Eric Clapton's only Hot 100 #1, either solo or with one of his many bands, was his cover of Bob Marley's "I Shot The Sheriff."
Jay-Z was going to ask Mary J. Blige to duet on "Empire State of Mind," but he decided on Alicia Keys when he heard the piano stabs on the track.
The Annie Lennox hit "No More I Love You's" is a cover, originally sung by a man.
In the UK, the first #1 hit with a rap was "Candy Girl" by the American boy band New Edition in 1983.
Fall Out Boy's "The Kids Aren't Alright" song title is not a reference to The Offspring's 1998 single of the same name. It actually alludes to The Who's 1979 rockumentary film called The Kids Are Alright.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
Elvis, Little Richard and Cheryl Cole have all sung about Teddy Bears, but there is also a terrifying Teddy song from 1932 and a touching trucker Teddy tune from 1976.
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
P.F. was a teenager writing hits and playing on tracks for Jan & Dean when he wrote a #1 hit that got him blackballed.
"Lullaby" singer Shawn Mullins on "Beautiful Wreck," beating the Devil, and his writing credit on the Zac Brown Band song "Toes."
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."