"Do They Know It's Christmas?" by Band-Aid was the first big group charity single. It was organized by Bob Geldof, who a year later put together "We Are The World" and Live Aid.
"If It Makes You Happy" by Sheryl Crow is about the sour grapes some of her collaborators from her first album expressed to the media when they felt slighted.
The horn flourish at the beginning of "Jump Around" comes from Bob and Earl's "Harlem Shuffle"; the squeal throughout the song might be a Prince sample.
Ed Sheeran thought he wrote the x track "Photograph" on 6th Street in Denver, so he got a tattoo saying 6 ST. But when he returned it turned out the street was actually 6th Avenue.
Janet Jackson wrote the lyric to "Nasty" in response to random guys calling her "baby."
James Brown's "Get Up (I Feel Like Being a) Sex Machine" was the first Hot 100 hit with the word "sex" in the title.
How the American gangsta rappers made history by getting banned in the UK.
Richie talks about producing the first two Kiss albums, recording "Brother Louie," and the newfound appreciation of his rock band, Dust.
Does he have beef with Gaga? Is he Sean Lennon's godfather? See if you can tell fact from fiction in the Elton John edition.
Doors expert Jim Cherry, author of The Doors Examined, talks about some of their defining songs and exposes some Jim Morrison myths.
Here is the church, here is the steeple - see if you can identify these lyrics that reference church.
The writer of "Rainy Night in Georgia" and "Polk Salad Annie" explains how he cooks up his Louisiana swamp rock.