
Katy Perry's "Dark Horse" was co-written by Sarah Hudson, who was a member of the pop group Ultraviolet Sound. Though Sarah isn't related to Katy (whose real name is Katy Hudson), she is the first cousin of another famous person with the same name, the actress Kate Hudson.

Billy Joel's "Uptown Girl" is about Christie Brinkley, who he married, but it started as a song about Elle McPherson, who he also went out with.

"(What's So Funny 'Bout) Peace, Love, and Understanding" was written by Nick Lowe in 1974. The original version with his group Brinsley Schwarz was kind of somber, but Elvis Costello made it a classic with his 1978 uptempo take.

The "Gunter Glieben Glauten Globen" intro in Def Leppard's "Rock Of Ages" is something their producer Mutt Lange came up with when he got tired of counting them "1, 2, 3, 4..."

The Doobie Brothers' swampy #1 hit "Black Water" is about the Mississippi River, evoking the rafting adventures Mark Twain and Huckleberry Finn.
The name "Schoolhouse Rock," which was a series of educational cartoons, was a play on "Jailhouse Rock," the title of an Elvis Presley song.
You may not recognize his name, but you will certainly recognize Peter Lord's songs. He wrote the bevy of hits from Paula Abdul's second album, Spellbound.
Lyrics don't always follow the rules of grammar. Can you spot the ones that don't?
The renown Texas songwriter has been at it for 40 years, with tales to tell about The Flatlanders and The Clash - that's Joe's Tex-Mex on "Should I Stay or Should I Go?"
Dan cracked the Top 40 with "Ritual," then went to India and spent 2 hours with the Dalai Lama.
A look at the good (Diana Ross, Eminem), the bad (Madonna, Bob Dylan) and the peculiar (David Bowie, Michael Jackson) film debuts of superstar singers.
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."