ZZ Top's "Sharp Dressed Man" was the first video that was a sequel. It picked up the storyline of their "Gimme All Your Lovin'" video about a guy who encounters three beautiful women.
YouTube were forced into an upgrade after PSY's "Gangnam Style" broke the video-sharing website's hit counter. Once the tune reached 2,147,483,647 views, the maximum positive value for a 32-bit signed binary integer in computing, the view-counter could no longer work.
The dirty version of Cee-Lo Green's "Forget You" contains 16 F-bombs. He recorded a clean version as an afterthought, "just in case."
"Happy Xmas (War Is Over)" is based on billboards John Lennon and Yoko Ono posted two years earlier declaring "War Is Over! If You Want It."
Meghan Trainor and her producer Kevin Kadish originally wrote "All About That Bass" for another artist to record. However, after Epic Records boss LA Reid heard Meghan play a demo of the song on a ukulele, he signed the young songwriter to his label and told her she should sing it.
Ronnie Dunn wrote "Boot Scootin' Boogie" before he teamed up with Kix Brooks to form Brooks & Dunn. It was originally recorded by the country group Asleep At The Wheel, but Brooks & Dunn did it themselves when it got its own line dance.
Did they really trade their guitarist to The Doobie Brothers? Are they named after something naughty? And what's up with the band name?
Brian has unearthed outtakes by Fleetwood Mac, Aretha Franklin, Elvis Costello and hundreds of other artists for reissues. Here's how he does it.
Can you be married in one country but not another? Only if you're part of a gay couple. One of the first famous singers to come out as a lesbian, Janis wrote a song about it.
Rob Halford, Richie Faulkner and Glenn Tipton talk twin guitar harmonies and explain how they create songs in Judas Priest.
Songs about drugs, revolution and greed that have been used in commercials for sneakers, jeans, fast food, cruises and cars.