
"Lean On" was originally sent by Major Lazer to both Rihanna and Nicki Minaj's camps as a slower reggae track. After both parties rejected the tune, Major Lazer recruited Danish singer MØ to supply vocals and they recorded it themselves.

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

The title "25 Or 6 To 4" by Chicago refers to the time it was written: either 25 minutes to 4 (3:35) or 26 (3:34).

Neil Young was married when he wrote "Cinnamon Girl," which clearly was not about his wife. He had a hard time explaining it to her.

The first female rapper to perform on a #1 hit? Surprisingly, it's Lil' Kim with the 2001 remake of "Lady Marmalade" for the movie Moulin Rouge. She was was joined on the track by Christina Aguilera, Missy Elliott, Pink and Mya.

"Bad, Bad Leroy Brown" is about a guy Jim Croce met in the National Guard, which Jim joined to keep him out of Vietnam. Leroy went AWOL, but got caught when he tried to pick up his paycheck.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
The author of Help! 100 Songwriting, Recording And Career Tips Used By The Beatles, explains how the group crafted their choruses so effectively.
Scaramouch, a hoople and a superhero soundtrack - see if you can spot the real Queen stories.
Long before Eminem, Justin Bieber and Nicki Minaj created alternate personas, David Bowie, Bono, Joni Mitchell and even Hank Williams took on characters.
Ozzy, Guns N' Roses, Judas Priest and even Michael Bolton show up in this Classic Metal quiz.