The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
Taio Cruz throws his hands up "sometimes" in "Dynamite" because the song was originally written about surrender.
The most intense song we know that deploys a cowbell is "Killing In The Name," the most popular song by Rage Against The Machine. Their drummer kept a cowbell on his kit and used it in some of their recordings.
The guys who wrote "Take Me Out To The Ballgame" had never been to a baseball game but knew it was a good song topic.
The Arctic Monkeys 2011 song "Suck It and See" is titled after a British saying meaning you should try something to see if you like it.
George Harrison's 1971 song "Bangla Desh" was the first major charity single. It was part of a concert held to bring relief to the people of Bangladesh, who were fighting for independence and suffering from a famine.
The '70s gave us Muppets, disco and Van Halen, all which show up in this groovy quiz.
The co-writer/guitarist on many Alice Cooper hits, Dick was also Lou Reed's axeman on the Rock n' Roll Animal album.
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.
Christopher Cross with Deep Purple? Kenny Loggins in Caddyshack? A Fact or Fiction all about yacht rock and those who made it.
Evelyn McDonnell, editor of the book Women Who Rock, on why the Supremes are just as important as Bob Dylan.
