In 1939, a polka craze swept America thanks to "Beer Barrel Polka (Roll Out The Barrel)."

"We're An American Band" by Grand Funk describes real events on their 1972 tour, including an encounter with a legendary groupie called "Sweet Connie."

The Flaming Lips' "Do You Realize??" was named in March 2009 the official Rock Song of Oklahoma. Four years later, Oklahoma's governor Mary Fallin pulled the tune as the state's official rock song in a move her office said had more to do with priorities than musical taste.

Producer Bob Ezrin convinced Pink Floyd to put a disco beat and children's chorus on "Another Brick In The Wall (Part 2)," which started out as a short interstitial for their album The Wall.

"I Just Wanna Love U (Give It 2 Me)" by Jay-Z borrows four bars from Notorious B.I.G's "The World Is Filled." Jay-Z and Biggie Smalls attended Westinghouse Career and Technical Education High School in Brooklyn, New York, at the same time.

The third verse of "Mmm Mmm Mmm Mmm" by Crash Test Dummies ("they shook and lurched all over the church floor...") was inspired by girl whose parents would speak in tongues at their Pentecostal service.
Graham Nash tells the stories behind some of his famous songs and photos, and is asked about "yacht rock" for the first time.
One of the most successful songwriters in the business, Desmond co-wrote "Livin' La Vida Loca," "Dude (Looks Like A Lady)" and "Livin' On A Prayer."
Zac tells the story of Hanson's massive hit "MMMbop," and talks about how brotherly bonds effect their music.
Roger tells the stories behind some of his biggest hits, including "Give a Little Bit," "Take the Long Way Home" and "The Logical Song."
Katy Perry mentions McDonald's, Beyoncé calls out Red Lobster, and Supertramp shouts out Taco Bell - we found the 10 restaurants most often mentioned in songs.
The '70s gave us Muppets, disco and Van Halen, all which show up in this groovy quiz.