Zayn's "Pillowtalk" reached #1 on the Hot 100, something his former One Direction bandmates never achieved.
Justin Timberlake originally wrote "Gone" for Michael Jackson, but his team turned it down, so 'N Sync cut it instead.
"All I Wanna Do" by Sheryl Crow started with the first line from an obscure poem called "Fun" that read, "All I wanna do is have some fun."
The You Me at Six song "The Dilemma" got its title from the Vince Vaughn movie of the same name.
"The Reflex" became a #1 hit for Duran Duran when Nile Rodgers remixed it using a sampler. Simon Le Bon refuses to say what it's about, but says it's "kind of childish song."
Jay-Z's version of "99 Problems" is a cover of a 1993 song by Ice-T with the lyrics changed to be about Jay's rise to fame.
Gary Lewis and the Playboys had seven Top 10 hits despite competition from The Beatles. Gary talks about the hits, his famous father, and getting drafted.
Gramm co-wrote this gorgeous ballad and delivered an inspired vocal, but the song was the beginning of the end of his time with Foreigner.
Their frontman (Chris Cornell) started out as their drummer, so Soundgarden takes a linear approach when it comes to songwriting. Kim explains how they do it.
Chris Stein of Blondie shares photos and stories from his book about the New York City punk scene.
The stories behind the biggest hit songs about trucking.
Did Marvin try out with the Detroit Lions? Did he fake crazy to get out of military service? And what about the cross-dressing?