David Bowie's "Let's Dance" is about more than just dancing. It's about dishonesty, particularly when we mask our true feelings.
Radiohead's "Paraonid Android" was written after a confrontation in a Los Angeles bar with an irate woman.
The title "25 Or 6 To 4" by Chicago refers to the time it was written: either 25 minutes to 4 (3:35) or 26 (3:34).
In 2010, the biggest-selling song in the UK was "Love the Way You Lie" by Eminem.
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.
The Sam & Dave classic "Soul Man" was re-recorded by Sam Moore and Lou Reed for the 1986 movie Soul Man, about a white guy who pretends to be black so he can get a scholarship to Harvard.
With Bernie Taupin, Martin co-wrote the #1 hits "We Built This City" and "These Dreams." After writing the Pretty Woman song for Go West, he had his own hit with "In the House of Stone and Light."
Did they really trade their guitarist to The Doobie Brothers? Are they named after something naughty? And what's up with the band name?
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.
Despite appearances on Carson, Leno and a Pennebaker film, Williams remains a hidden treasure.
Roger tells the stories behind some of his biggest hits, including "Give a Little Bit," "Take the Long Way Home" and "The Logical Song."
The Creed lead singer reveals the "ego and self-fulfillment" he now sees in one of the band's biggest hits.
