
"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.

Miguel wrote "Adorn" about his girlfriend, the model and artist Nazanin Mandi, when he was returning home from a long trip and was anxious to see her.

Meghan Trainor and her producer Kevin Kadish wrote "All About That Bass" for another artist to record, but after Epic Records boss LA Reid heard Meghan play a demo of the song on a ukulele, he signed her to his label and told her she should sing it.

"MMMbop" by Hanson was so ubiquitous in 1997 that when the band appeared on SNL, they took part in a skit where Helen Hunt and Will Ferrell seek retribution by trapping them in an elevator and playing the song until they crack. "Now, you will suffer like we did," Hunt tells them.

"The Reflex" became a #1 hit for Duran Duran when Nile Rodgers remixed it using a sampler. Simon Le Bon refuses to say what it's about, but says it's "kind of childish song."

"Tush" doesn't have to refer to anatomy, according to ZZ Top. It's a word that also means "lavish."
Sheryl Crow's longtime songwriting partner/guitarist Jeff Trott reveals the stories behind many of the singer's hits, and what its like to be a producer for Leighton Meester and Max Gomez.
Jon Anderson breaks down the Yes classic "Seen All Good People" and talks about his 1000 Hands album, which features Chick Corea, Rick Derringer, Ian Anderson, and many other luminaries.
The co-writer/guitarist on many Alice Cooper hits, Dick was also Lou Reed's axeman on the Rock n' Roll Animal album.
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.
The Def Leppard frontman talks about their "lamentable" hit he never thought of as a single, and why he's juiced by his Mott The Hoople cover band.