
On Missy Elliott's "Work It," the backward vocal is the previous line, "Put my thing down, flip it, and reverse it," in reverse. She stumbled on it when the engineer played it backward by mistake.

The first big hit to blend EDM with country music was "Wake Me Up" by the Swedish DJ Avicii. He put the song together with Mike Einziger of Incubus and with Aloe Blacc, who sings on it.

Tone-Loc's "Wild Thing" samples Eddie Van Halen's guitar riff from "Jaime's Cryin'."

Elton John's "Crocodile Rock" borrows a bit from Don McLean's "American Pie." Both songs feature a Chevy, and are about young people who are heartbroken when their music "dies."

A section of verse lyrics in Rihanna's "SOS" is made up of titles from '80s hits - check out the part that starts, "Take me on, I could just die up in your arms tonight."

Lady Gaga is a big fan of horror movies; listen for the names of these three Alfred Hitchcock films in the lyrics to "Bad Romance": Psycho, Vertigo, Rear Window.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
Guitarist Tony Iommi on the "Iron Man" riff, the definitive Black Sabbath song, and how Ozzy and Dio compared as songwriters.
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.
Danny played guitar on Sweet Baby James, Tapestry, and Running On Empty. He also co-wrote many hit songs, including "Dirty Laundry," "Sunset Grill" and "Tender Is The Night."
"How much does it cost? I'll buy it?" Another songwriter told Jonathan to change these lyrics. Good thing he ignored this advice.
Songwriters have used cards and card games to make sense of heartache, togetherness, and even Gonorrhea.