Train's guitarist had to Google an instructional video to learn how to play the ukulele for "Hey Soul Sister."
Katy Perry's song "E.T." came from a beat originally intended for the rap group Three Six Mafia. When her producer accidentally pulled up the beat, Perry asked to use it.
"Zombie" by The Cranberries is about an IRA bombing in England that killed two children.
"Handle With Care" started as a George Harrison song with guest appearances by Roy Orbison, Bob Dylan, Tom Petty and Jeff Lynne, but it went so well the five of them decided to form a group - The Traveling Wilburys - and record an entire album.
"Kiss On My List" by Hall & Oates is actually an anti-love song - the kiss is just one item on a list, and by no means the best.
Sia planned to quit her solo career after her 2014 album 1000 Forms of Fear, but the "Chandelier" video proved so popular it drew her back in.
10 Questions for the author of Precious Metal: Decibel Presents the Stories Behind 25 Extreme Metal Masterpieces
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
Harry Wayne Casey tells the stories behind KC and The Sunshine Band hits like "Get Down Tonight," "That's The Way (I Like It)," and "Give It Up."
Keyboard great David Sancious talks about his work with Sting, Seal, Springsteen, Clapton and Aretha, and explains what quantum physics has to do with making music.
It started with a bouncy MTV classic. Nirvana and MCR made them scary, then Gwen, Avril and Madonna put on the pom poms.
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.