An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
"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."
Iggy Pop wrote "Lust For Life" with David Bowie, who came up with the music on a ukulele.
When Tony Bennett and Amy Winehouse's version of "Body and Soul" made the Hot 100, Bennett became at age 85, the oldest living artist to chart.
Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."
The Black Eyed Peas shot the video for "Just Can't Get Enough" just a week before the 2011 earthquake in Japan.
The former Dead Kennedys frontman on the past, present and future of the band, what music makes us "pliant and stupid," and what he learned from Alice Cooper.
Deep Purple's guitarist since 1994, Steve talks about writing songs with the band and how he puts his own spin on "Smoke On The Water."
Since his debut single "I'm On Fire" in 1975, Dwight has been providing Spinal-Tap moments and misadventure.
The longtime BS&T frontman tells the "Spinning Wheel" story, including the line he got from Joni Mitchell.