Paul McCartney wrote "Ebony and Ivory," his duet with Stevie Wonder, after a tiff with his wife Linda. "It was like, 'Why can't we get it together- our piano can,'" he explained.
"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.
The song "Without You," a hit for Nilsson in 1972 and Mariah Carey in 1994, was written and originally recorded by Badfinger in 1970.
The woman "singing" in the video for Technotronic's "Pump Up The Jam" didn't speak English. She was used just for her look, and also appeared on the album cover.
An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
The video for Weezer's "Pork and Beans" features YouTube stars Chris Crocker, The Chocolate Rain Guy, The "Peanut Butter Jelly Time" Banana, and the Star Wars kid.
How a country weeper and a blues number made "rolling stone" the most popular phrase in rock.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
The singer-songwriter Melanie talks about her spiritual awakening at Woodstock, "Brand New Key," and why songwriting is an art, not a craft.
"When seeds that you sow grow by the wicked moon/Be sure your sins will find you out/Your past will hunt you down and turn to tell on you."
The Winger frontman reveals the Led Zeppelin song he cribbed for "Seventeen," and explains how his passion for orchestra music informs his songwriting.
When Judd Apatow needed under-appreciated rockers for his Knocked Up sequel, he immediately thought of Parker, who just happened to be getting his band The Rumour back together.