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.
Elton John's "Crocodile Rock" borrows a bit from Don McLean's "American Pie." Both songs feature a Chevy, and are about young people who are heartbroken when their music "dies."
Meghan Trainor wrote "Lips Are Movin" in just eight minutes with her writing partner Kevin Kadish.
"Bittersweet Symphony" by The Verve samples an obscure orchestral arrangement of the 1965 Rolling Stones song "The Last Time." The Verve had to sign away most of the royalties before they could release the song.
Before she was famous, Lady Gaga was a staff songwriter, and wrote the song "Quicksand," which Britney Spears recorded in 2008.
"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.
After cutting his teeth on hardcore punk videos, Paul defined the grunge look with his work on "Hunger Strike" and "Man in the Box."
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
Rock Stars - especially those in the metal realm - are often enlisted for horror movies. See if you know can match the rocker to the role.
The powerhouse producer behind Janet Jackson's hits talks about his Boyz II Men ballads and regrouping The Time.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
Does Angus really drink himself silly? Did their name come from a sewing machine? See if you can spot the real stories about AC/DC.