An unknown Kesha (known then as Ke$ha) sang on Flo-Rida's #1 hit "Right Round," but refused to appear in the video because she wanted to make a name for herself.
The love is growing in the '70s hit "Love Grows (Where My Rosemary Goes)" because rosemary is the name of an herb.
Sarah McLachlan wrote "Angel" about the Smashing Pumpkins touring keyboard player Jonathan Melvoin, who overdosed on heroin and died in 1996.
Every film star mentioned in Madonna's "Vogue" has since died. The last was Lauren Bacall, who passed away in 2014.
The very American song "What Made Milwaukee Famous" was never a big hit in the US, but Rod Stewart made it famous in the UK.
"Rio" by Duran Duran is a metaphor for America, where the band was trying to break through.
The king of Christian worship music explains talks about writing songs for troubled times.
Was "Pearl" Eddie Vedder's grandmother, and did she really make a hallucinogenic jam? Did Journey have a contest to name the group? And what does KISS stand for anyway?
Emilio talks about what it's like to write and perform with the Tower of Power horns, and why every struggling band should have a friend like Huey Lewis.
The guitarist/songwriter explains how he came up with his signature sound, and deconstructs some classic Fear Factory songs.
Are classic songs like "Over The Rainbow" and "Take Me Out to the Ballgame" in the public domain?
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.