Ed Sheeran's first single was "The A Team," a song about a drug-addicted prostitute.
Ariana Grande's hit "Problem" started off as a track written by One Direction songwriter Savan Kotecha. He gave it the working title of "The Whisper Song," after a 2005 Ying Yang Twins hit.
The guy who wrote "Tell It To My Heart" owns a collection of famous baseballs, including the one that went through Bill Buckner's legs.
Kenny Loggins co-wrote the Doobie Brothers hit "What a Fool Believes," which is about a guy who just can't accept that an affair from long ago was meaningless to her.
Van Morrison's "Brown Eyed Girl" was originally called "Brown Skinned Girl," and was about an interracial relationship.
The Stax legend on how he cooked up "Green Onions," the first time he and Otis Redding saw hippies, and if he'll ever play a digital organ.
We've heard of artists putting their hearts into their music, but some take it literally.
Petula talks about her hits "Downtown" and "Don't Sleep In The Subway," and explains her Michael Jackson connection.
Chad tells tales from his time as drummer for Nirvana, and talks about his group Before Cars.
Yngwie Malmsteen and Steve Vai were two of Graham's co-writers for some '80s rock classics.
The in-depth discussion about the making of Jesus Christ Superstar with Ted Neeley, who played Jesus in the 1973 film.