"Gangnam Style" refers to a section of Seoul, South Korea, that is very fashionable. The guy in the song has all the right moves and loves the ladies.
"Baby One More Time" was originally offered to TLC but they passed on it. The R&B trio felt uncomfortable singing "'hit me baby one more time."
"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.
"Dirty Work" is one of the few Steely Dan songs not sung by Donald Fagen. The lead vocal is by David Palmer, who sang on two tracks from their debut album.
"Louie Louie" was first recorded in 1955 by an R&B singer named Richard Berry, and his lyrics are easy to understand. When The Kingsmen recorded the hit version, their lyrics were indecipherable.
Lindsay Lohan sued Pitbull for defamation over the line in his song "Give Me Everything (Tonight)," ""I got it locked up like Lindsay Lohan."
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
Find out how God and glam metal go together from the Stryper frontman.
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Shows like Dawson's Creek, Grey's Anatomy and Buffy the Vampire Slayer changed the way songs were heard on TV, and produced some hits in the process.
"Come On Eileen" was a colossal '80s hit, but the band - far more appreciated in their native UK than stateside - released just three albums before their split. Now, Dexys is back.