Salt's "mighty good man" in the Salt-N-Pepa "Whatta Man" video is played by Tupac Shakur.
Mike Campbell from Tom Petty & the Heartbreakers played the slide guitar on "Sixth Avenue Heartache." There is a connection here - Wallflowers lead singer Jakob's dad, Bob Dylan, played with Tom Petty in The Traveling Wilburys.
Alicia Keys, Elton John, Fergie, and Rihanna all sang on "All of the Lights" by Kanye West.
The Kate Bush song "Running Up That Hill" is about making a deal with God to switch lives with your partner so there would be no more misunderstandings.
The drum sound on Buddy Knox's 1957 US #1 hit "Party Doll" was actually made by a cardboard box filled with cotton.
Drake's "One Dance" was the first ever song to rack up one billion streams on Spotify.
Elvis, Little Richard and Cheryl Cole have all sung about Teddy Bears, but there is also a terrifying Teddy song from 1932 and a touching trucker Teddy tune from 1976.
Not everyone can be a superhero, but that hasn't stopped generations of musicians from trying to be Superman.
The Evanescence frontwoman on the songs that have shifted meaning and her foray into kids' music.
Rob Halford, Richie Faulkner and Glenn Tipton talk twin guitar harmonies and explain how they create songs in Judas Priest.
The powerhouse producer behind Janet Jackson's hits talks about his Boyz II Men ballads and regrouping The Time.
"Missing You" was a spontaneous outpouring of emotion triggered by a phone call. John tells that story and explains what MTV meant to his career.
