"Sing" was inspired by a girl that Ed Sheeran met in Las Vegas in the summer of 2013, when "one thing led to another and now she's kissing my mouth."
Otis Day And The Knights, the fictional band created to perform "Shout" in the movie Animal House, became a real band, performing the song at colleges and other venues.
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
"Aberdeen" by Cage The Elephant is named after the birthplace of Kurt Cobain. It's in Grays Harbor County, Washington.
Ricky Martin's "Livin' La Vida Loca" was the first #1 hit created entirely in Pro Tools.
Kacey Musgraves originally offered "Follow Your Arrow" to her friend Katy Perry. However, Perry thought Musgraves should record the song herself as it seemed, "like something that you would totally say."
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
Nick made some of the biggest videos on MTV, including "The Final Countdown," "Heaven" and "Don't Know What You Got (Till It's Gone)."
Chris Stein of Blondie shares photos and stories from his book about the New York City punk scene.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
The longtime Eagle talks about soaring back to his solo career, and what he learned about songwriting in the group.