The Frankie Goes To Hollywood hit "Relax" is, as the band says, about "shagging." It was banned by the BBC, which sent it to #1 in the UK as listeners flocked to record stores to buy it.
An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
A key line in "Africa" is "I seek to cure what's deep inside, frightened of this thing that I've become," which is about drifting away from what you really want in life. Toto keyboard player David Paich, who wrote the song, felt his work was consuming him.
When Metallica performed in China in 2013, they weren't allowed to play "Master Of Puppets," probably because the theme of being controlled by a higher authority didn't sit well with the Chinese government.
Bruce Springsteen wrote "Blinded By The Light," which was a #1 hit for Manfred Mann's Earth Band. The "Madman Drummers" line is a reference to Springsteen's first E-Street drummer, Vinnie "Mad dog" Lopez.
Bono wrote U2's song "Sweetest Thing" for his wife to make up for working on her birthday. For the video, he staged an "apology parade," complete with Irish step dancers and an elephant.
Daniel Lanois on his album Heavy Sun, and the inside stories of songs he produced for U2, Peter Gabriel, and Bob Dylan.
These overtly religious songs crossed over to the pop charts, despite resistance from fans, and in many cases, churches.
Joe talks about the challenges of of making a Duke Ellington tribute album, and tells the stories behind some of his hits.
Evelyn McDonnell, editor of the book Women Who Rock, on why the Supremes are just as important as Bob Dylan.
When Judd Apatow needed under-appreciated rockers for his Knocked Up sequel, he immediately thought of Parker, who just happened to be getting his band The Rumour back together.
Did Al play on a Beach Boys record? Did he have beef with George Lucas and Coolio? See if you can spot weird but true stories.