If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music video, the world's first 24-hour music video.
The Four Seasons' "Walk Like a Man," released in 1963, was the first Hot 100 #1 hit with a simile in its title.
In 2010, the biggest-selling song in the UK was "Love the Way You Lie" by Eminem.
"Panama" by Van Halen is not about the country or the canal, but about a stripper David Lee Roth met in Arizona.
The song "Don't Worry Be Happy" doesn't use any instruments - it's all Bobby McFerrin using various parts of his body to make the sounds.
The chorus in "September" by Earth, Wind & Fire is "Bada-Ya, dancing in September." Group leader Maurice White left it "Bada-Ya" instead of a real word because he never let a lyric get in the way of a groove.
The leader of the Modern A Cappella movement talks about the genre.
Ozzy, Guns N' Roses, Judas Priest and even Michael Bolton show up in this Classic Metal quiz.
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
Producer Rupert Hine talks about crafting hits for Tina Turner, Howard Jones and The Fixx.
When he was asked to write a song for the Singles soundtrack, Mark thought the Seattle grunge scene was already overblown, so that's what he wrote about.
