Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
Surprise exits, a catfight and some very memorable performances make our list of the most memorable Idol moments.
Kristian talks songwriting technique, like how the chorus should redefine the story, and how to write a song backwards.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
The '70s gave us Muppets, disco and Van Halen, all which show up in this groovy quiz.
The lead singer/lyricist of The Beach Boys talks about coming up with the words for "Good Vibrations," "Fun, Fun, Fun," "Kokomo" and other classic songs.
"The House Of The Rising Sun" is a traditional folk song, either about a brothel or a prison.
After the Beastie Boys sampled a bunch of Led Zeppelin songs, Robert Plant did it himself on his 1988 solo hit "Tall Cool One," which sampled "Whole Lotta Love," "Black Dog" and "The Ocean."
The lyrics for Lesley Gore's "It's My Party" were based on actual events relating to his daughter Judy's sweet 16 party. The teenager threw a tantrum and burst into tears when her mum and dad insisted that her grandparents had to be invited.
"(Sittin' On) The Dock Of The Bay," released a month after Otis Redding died, was the first song to hit #1 in America after the artist died.
The James Blunt song "You're Beautiful" is not romantic: it's a about a creepy subway encounter with an ex.
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.