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.
"All I Want For Christmas Is You" by Mariah Carey was the first ringtone certified Gold.
"Ho Hey" by The Lumineers spent 62 weeks on the Hot 100, tying with Lifehouse's 2005 single "You And Me" for the longest stay on the chart for a song by a rock band.
Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.
Lyrically, Elvis Costello's "Watching The Detectives" was inspired by American detective shows; musically, it was inspired by The Clash.
Harry Chapin's wife Sandy wrote the lyrics to "Cat's In The Cradle," which were actually about her first husband.
How did The Edge get his name? Did they name a song after a Tolkien book? And who is "Angel of Harlem" about?
Whether he's splitting ears or burning Nazis, Quentin Tarantino uses memorable music in his films. See if you can match the song to the scene.
Wilder's hit "Break My Stride" had an unlikely inspiration: a famous record mogul who rejected it.
Did Marvin try out with the Detroit Lions? Did he fake crazy to get out of military service? And what about the cross-dressing?
Did Al play on a Beach Boys record? Did he have beef with George Lucas and Coolio? See if you can spot weird but true stories.
With the rise of Kindie rock, more musicians are embracing their inner child with tunes for tots - here, we look at pop stars who recorded kids' albums.