In the UK, the first #1 hit with a rap was "Candy Girl" by the American boy band New Edition in 1983.
"Irreplaceable" wasn't specifically penned for Beyonce - in fact, Ne-Yo wrote it more as a country song and had Faith Hill and Shania Twain in mind.
"How To Save A Life" by The Fray has religious overtones - it was a hit on both the Pop chart and the Christian Songs chart.
"Mr. Tambourine Man" is the only song Bob Dylan wrote that became a #1 hit on the Hot 100.
In Belgium, where the Battle of Waterloo took place, "Waterloo" by ABBA was a huge hit, #1 for five weeks.
Weezer's "Undone - The Sweater Song" was written as a sad song about depression, but listeners heard it as a funny, ironic song.
The Stax legend on how he cooked up "Green Onions," the first time he and Otis Redding saw hippies, and if he'll ever play a digital organ.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
The author of Help! 100 Songwriting, Recording And Career Tips Used By The Beatles, explains how the group crafted their choruses so effectively.
Established as a redoubtable singer-songwriter, the Men At Work frontman explains how religion, sobriety and Jack Nicholson play into his songwriting.
Dave explains how the video appropriated the meaning of "Runaway Train," and what he thought of getting parodied by Weird Al.
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.