Katy Perry's breakout hit "I Kissed A Girl" was surprising to those familiar with her past: her parents were pastors and she started off singing Christian music.
Eddie Van Halen played the guitar solo on "Beat It" as a favor to Quincy Jones, who produced the album.
Icona Pop considers "I Love It" a kiss-off to their boyfriends: "we just wanted to get the song out and get the pigs to hear it," Jawo said.
"Islands in the Stream" was originally written by The Bee Gees as an R&B song. It was originally written by the brothers for Marvin Gaye, however it was recorded instead as a duet by Kenny Rogers and Dolly Parton with the Gibb Brothers also contributing vocals.
MTV reversed the word "joint" in Tom Petty's "You Don't Known How It Feels" so it was unintelligible, but gave the video a VMA anyway.
Elvis Presley' first #1 on any chart was "I Forgot To Remember To Forget." It arrived at the top of the country tally on February 25, 1956 and stayed there for two weeks.
The former Metallica bassist talks about his first time writing a song with James Hetfield, and how a hand-me-down iPad has changed his songwriting.
Nick made some of the biggest videos on MTV, including "The Final Countdown," "Heaven" and "Don't Know What You Got (Till It's Gone)."
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."
Before "Rap" was a form of music, it was something guys did to pick up girls in nightclubs. Donnie talks about "The Rapper" and reveals the identity of Leah.
A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
The top chant artist in the Western world, Krishna Das talks about how these Hindu mantras compare to Christian worship songs.
