
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.

In Led Zeppelin's "Fool In The Rain," the guy goes into a funk when he thinks he's been stood up, but is elated when he realizes he's been standing on the wrong corner, and it's all a terrible mess.

Bob Marley's "I Shot The Sheriff" deals with police brutality in the Trenchtown section of Jamaica, where he grew up. He felt that police assumed young men in the area were all criminals.

The "Mum-mum-mum-ma" hook on lady Gaga's "Poker Face" was sampled from Boney M's 1977 hit "Ma Baker."

Billy Joel's "My Life" was used as the theme song to the 1980 TV show Bosom Buddies, which starred a young Tom Hanks as a guy who lives in a hotel for women by dressing up as a girl.

"Crazy Train" by Ozzy Osbourne is about the Cold War concept of Mutually Assured Destruction (M.A.D.) should any nuclear missile be fired.
In this talk from the '80s, the Kansas frontman talks turning to God and writing "Dust In The Wind."
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
With his X-wife Exene, John fronts the band X and writes their songs.
Talking Heads drummer Chris Frantz on where the term "new wave" originated, the story of "Naive Melody," and why they never recorded another cover song after "Take Me To The River."
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
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.