Buck Dharma of Blue Oyster Cult wrote "(Don't Fear) The Reaper" after he was diagnosed with a heart condition and started thinking about his own mortality.
In Beastie Boys' "Paul Revere," the title refers to the name of a horse. They took it from a song in the musical Guys And Dolls where a character sings, "I got the horse right here, the name is Paul Revere."
Simon Rex from the TV show What I Like About You and Wilmer Valderrama from That 70s Show both appear in the LMFAO video for "Sexy and I Know It."
The "electrical bananas" in the Donovan song "Mellow Yellow" were vibrators.
Chrissie Hynde got the phrase "Brass In Pocket" from a Northern England slang term meaning you had some money, "brass" meaning coins.
The song "Don't Worry Be Happy" doesn't use any instruments - it's all Bobby McFerrin using various parts of his body to make the sounds.
Petula talks about her hits "Downtown" and "Don't Sleep In The Subway," and explains her Michael Jackson connection.
When a waitress wouldn't take him home, Jack wrote what would become one of the Eagles most enduring hits.
Chris and his wife Tina were the rhythm section for Talking Heads when they formed The Tom Tom Club. "Genius of Love" was their blockbuster, but David Byrne only mentioned it once.
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.
Since his debut single "I'm On Fire" in 1975, Dwight has been providing Spinal-Tap moments and misadventure.
Bowie's "activist" days of 1964 led to Ziggy Stardust.