45% of the royalties for "Somebody That I Used To Know" go to the estate of the Brazilian classical guitarist Luiz Bonfá, whose song "Seville" Gotye sampled.
Kelly Clarkson's coronation song when she won American Idol in 2002 was "A Moment Like This," which was released as her first single and went to #1. Every finalist that season recorded the song in case they won.
"Crazy Train" by Ozzy Osbourne is about the Cold War concept of Mutually Assured Destruction (M.A.D.) should any nuclear missile be fired.
If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music clip, which was the world's first ever 24-hour music video.
"MMMbop" by Hanson was so ubiquitous in 1997 that when the band appeared on SNL, they took part in a skit where Helen Hunt and Will Ferrell seek retribution by trapping them in an elevator and playing the song until they crack. "Now, you will suffer like we did," Hunt tells them.
"The Way" by Fastball was inspired by the story of an elderly couple from Texas who drove to a nearby family reunion and kept going. Fastball's bass player imagined them taking off and having fun like they were young. The story didn't end well: the couple was later found dead after they crashed in a canyon.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
Rock Stars - especially those in the metal realm - are often enlisted for horror movies. See if you know can match the rocker to the role.
Webb talks about his classic songs "By the Time I Get to Phoenix," "Wichita Lineman" and "MacArthur Park."
Toto's keyboard player explains the true meaning of "Africa" and talks about working on the Thriller album.
One of the most popular classical vocalists in the land is lining up a trip to space, which is the inspiration for many of her songs.
Songs that seem to glorify violence against women are often misinterpreted - but not always.