Jimmy Webb was inspired to write The 5th Dimension song "Up-Up and Away" after seeing a hot-air balloon his friend flew on promotions for the Southern California radio station KMEN.

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.

It was never a big hit, but the uplifting "Mr. Blue Sky" has endured as Electric Light Orchestra's most popular song. Group leader Jeff Lynne wrote it when after two weeks of gloomy weather, the clouds parted to reveal a beautiful day.

Mariah Carey's "My All" is about her affair with New York Yankees shortstop Derek Jeter.

Kiss sing about "movin' fast on 95" in "Detroit Rock City," but I-95 doesn't go through Detroit (I-75 does) so they published the lyric as "Movin' fast, doin' 95."
Johnny Depp, Angelina Jolie, Mila Kunis and John Malkovich are just a few of the film stars who have moonlighted in music videos.
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
Shaun breaks down the Seether songs, including the one about his brother, the one about Ozzy, and the one that may or may not be about his ex-girlfriend Amy Lee.
She thinks of herself as a "song interpreter," but back in the '80s another country star convinced Emmylou to take a crack at songwriting.
Fiona's highly-anticipated third album almost didn't make it. Here's how it finally came together after two years and a leak.
The top Contemporary Christian artist of all time on song inspirations and what she learned from Johnny Carson.