"Instant Karma" is one of John Lennon's most hopeful songs, written and recorded in one day at a time when he felt people were pulling together in a positive direction.
"Regulate" by Warren G. & Nate Dogg broke new ground by sampling a mellow, melodic hit from the '80s: "I Keep Forgettin'" by Michael McDonald.
"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.
Foreigner got the title for "Double Vision" after watching a hockey game where goalie John Davidson got a concussion. It was announced over the PA system that he was suffering from "Double Vision."
Rihanna was Pitbull's first choice to sing on "Timber," but she wasn't available at the time so he enlisted his RCA labelmate Kesha instead.
Yoko Ono has always denied requests to cover "Imagine" with the line "no religion, too" omitted or changed.
The '70s gave us Muppets, disco and Van Halen, all which show up in this groovy quiz.
Rock Stars - especially those in the metal realm - are often enlisted for horror movies. See if you know can match the rocker to the role.
Rufus Wainwright on "Hallelujah," his album Unfollow The Rules, and getting into his "lyric trance" on 12-hour walks.
From the lake in "Roundabout" to Sister Bluebird in "Starship Trooper," Jon Anderson talks about how nature and spirituality play into his lyrics for Yes.
The rock revolutionist on songwriting, quitting smoking, and what she thinks of Rush Limbaugh using her song.
Smith breaks down some of his worship tracks as well as his mainstream hits, including "I Will Be Here For You" and "A Place In This World."