When he was asked to write a song for the Singles soundtrack, Mark thought the Seattle grunge scene was already overblown, so that's what he wrote about.
Jon Fratelli talks about the band's third album, and the five-year break leading up to it.
In her days with The Runaways, Joan Jett saw The Arrows perform "I Love Rock And Roll," which Alan Merrill co-wrote - that story and much more from this glam rock pioneer.
The lead singer on "Da Doo Ron Ron" and "Then He Kissed Me," La La explains how and why Phil Spector replaced The Crystals with Darlene Love on "He's A Rebel."
From the cowbell on "Mississippi Queen" to recording with The Who when they got the wrong Felix, stories from one of rock's master craftsmen.
When you free your mind, your ass may follow, but you have to make sure someone else doesn't program it while it's wide open.
The fadeout on Drake's "Hotline Bling" lasts 55 seconds - one of the longest outros of any hip-hop hit.
"On The Floor" by Jennifer Lopez samples the 1989 song "Lambada," which you might remember is about "The Forbidden Dance."
Arizona DJ Guy Zapoleon played UB40's "Red Red Wine" four years after it was released as part of a feature on songs that should have been hits. Listeners started requesting the tune and within weeks it was topping the Hot 100.
McCartney wrote his duet with Stevie Wonder, "Ebony and Ivory," after a marital tiff with Linda. He told Mojo magazine : "It was like, 'Why can't we get it together- our piano can.'"
Madonna's hit "Don't Tell Me" was written by her brother-in-law, Joe Henry, who has produced albums by Hugh Laurie and Bonnie Raitt.
"Walking on a Thin Line" by Huey Lewis and the News is about an American soldier who is trained as a sniper in the Vietnam War. It was written for a documentary on the war.