"Virginia" in "Only The Good Die Young" is named after a real girl Billy Joel was trying to impress.
An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
The voice is that says "here we go" in the AJR song "Bang!" belongs to Charlie Pellett, the announcer on the New York City subway ("stand clear of the closing doors, please").
The Red Hot Chili Peppers' biggest hit is "Under The Bridge," a ballad not typical of their sound. Frontman Anthony Kiedis wrote the lyric after an acute bout of loneliness.
The chant in the Bruno Mars/Rosé hit "APT" is "apateu," the Korean word for apartment. It's named after a Korean drinking game called "Apartment" that Rosé told Bruno about.
"Happy Xmas (War Is Over)" is based on billboards John Lennon and Yoko Ono posted two years earlier declaring "War Is Over! If You Want It."
Ozzy, Guns N' Roses, Judas Priest and even Michael Bolton show up in this Classic Metal quiz.
The original voice of Snap! this story is filled with angry drag queens, video impersonators and Chaka Khan.
Glen Ballard talks about co-writing and producing Alanis Morissette's Jagged Little Pill album, and his work with Dave Matthews, Aerosmith and Annie Lennox.
Justin wrote the classic "Nights In White Satin," but his fondest musical memories are from a different decade.
When he was playing Ozzfest with Black Label Society, a kid told Zakk he was the best Ozzy guitarist - Zakk had to correct him.
She thinks of herself as a "song interpreter," but back in the '80s another country star convinced Emmylou to take a crack at songwriting.