The first rap song to make the Hot 100 was "Rapper's Delight" by The Sugarhill Gang in 1979. At the time, many considered rap a fad that would soon pass.

Part of the "Cruel to Be Kind" video was shot during Nick Lowe and Carlene Carter's wedding.

"Tomorrow People" by Ziggy Marley is the first song by a Marley to crack the US Top 40; the highest Bob got was #51 with "Roots, Rock, Reggae."

"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.

Pink Floyd's "Shine On You Crazy Diamond" is about their founding member Syd Barrett, who became an acid casualty. Notice the S-Y-D in the title.

Janet Jackson's "Alright" video features Cab Calloway and Cyd Charisse, stars of musicals she loved as a kid.
Donny Osmond talks about his biggest hits, his Vegas show, and the fan who taught him to take "Puppy Love" seriously.
They sang about pink torpedoes and rocking you tonight tonight, but some real lyrics are just as ridiculous. See if you can tell which lyrics are real and which are Spinal Tap in this lyrics quiz.
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
Foreigner's songwriter/guitarist tells the stories behind the songs "Juke Box Hero," "I Want To Know What Love Is," and many more.
How Bing Crosby, Les Paul, a US Army Signal Corps Officer, and the Nazis helped shape rock and Roll.