Ariana Grande's collaboration with Zedd, "Break Free" came about after the Russian-German producer overheard Grande performing at a label showcase while he was backstage, and he mentioned to his team that he wanted to work with her.
The first single from the Thriller album was "The Girl Is Mine," chosen over "Billie Jean" and "Beat It" because it was a duet with Paul McCartney and thus guaranteed airplay.
Paul Stanley and Gene Simmons of Kiss wrote "Rock And Roll All Nite" as a "rallying cry for all of our fans." In later years, members of Kiss wrote songs separately.
"All I Wanna Do" by Sheryl Crow started with the first line from an obscure poem called "Fun" that read, "All I wanna do is have some fun."
"I Guess That's Why They Call It The Blues" by Elton John was written for the sister of actress Rene Russo. Bernie Taupin, who wrote the lyrics, was married to Rene's sister, Toni.
"Mercedes Boy" by Pebbles is about a real guy she fell in love with - they both drove Mercedes when she wrote it.
Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).
Country songs with titles so bizarre they can't possibly be real... or can they?
The "Lowdown" and "Lido Shuffle" singer makes a habit of playing with the best in the business.
Nirvana, Billy Joel and Bruce Springsteen are among those who wrote songs with cities that show up in this quiz.
Devo founders Mark Mothersbaugh and Jerry Casale take us into their world of subversive performance art. They may be right about the De-Evoloution thing.
