"Mr. Tambourine Man" is the only song Bob Dylan wrote that became a #1 hit on the Hot 100. The Byrds' cover topped the chart in 1965.
The idea for "The Man Comes Around" came to Johnny Cash from a dream he had where he was in Buckingham Palace and the Queen said to him, "Johnny Cash, you're just like a thorn tree in a whirlwind."
The Cure's "Lullaby" is based on a recurring nightmare frontman Robert Smith had as a child where he was eaten by a giant spider.
An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
Sia Furler wrote "Titanium" and wanted to give the tune to Katy Perry. She turned it down, so David Guetta recorded it instead using Sia's original demo guide vocal. It became a big hit, especially in the UK, where it went to #1.
The first big hit by an X Factor winner was "Bleeding Love" by Leona Lewis, who won the British version of the show in 2008. The song was intended for Jesse McCartney, who wrote it with Ryan Tedder.
Jon Fratelli talks about the band's third album, and the five-year break leading up to it.
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
The Reverend rants on psychobilly and the egghead academics he bashes in one of his more popular songs.
Are classic songs like "Over The Rainbow" and "Take Me Out to the Ballgame" in the public domain?
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
Songwriting Hall of Famer Linda Perry talks about her songs "What's Up" and "Beautiful," her songwriting process, and her move into film music.