Enrique Iglesias' single "Bailando" was the first Spanish-language song to reach one billion views on YouTube.
Tired of X-Factor winners getting the UK Christmas #1, British Facebook users staged a successful campaign to download "Killing In The Name" by Rage Against The Machine enough times to boost the song to the top in 2009, blocking the X-Factor single by Joe McElderry.
"Stand By Me" hit #4 in the US when it was released in 1961, then went to #9 in 1986 when it was used in the movie of the same name.
Brad Pitt and Elvis both get mentions in the 1997 Shania Twain hit "That Don't Impress Me Much."
"The Battle of Evermore" is the only song Zeppelin ever recorded with a guest vocalist. It features Sandy Denny from Fairport Convention duetting with Robert Plant.
Elton John had a huge hit duetting with Kiki Dee on "Don't Go Breaking My Heart," but he's also performed it with RuPaul and Miss Piggy.
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.
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.
When you have a song called "Fire," it's tempting to set one - these guys did.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
A top session musician, Carol played on hundreds of hits by The Beach Boys, The Monkees, Frank Sinatra and many others.
