Stevie Wonder wrote his own version of "Happy Birthday" in an attempt to get Martin Luther King's birthday declared a national holiday.
"Mercedes Boy" by Pebbles is about a real guy she fell in love with - they both drove Mercedes when she wrote it.
After Gwen Stefani and Gavin Rossdale hooked up in 1996, Rossdale's Bush bandmates referred to their hit song as "Everything Gwen."
"The Cave" by Mumford & Sons is based on the philosophy of Plato and his work called "Allegory of the Cave."
Ed Sheeran's first single was "The A Team," a song about a drug-addicted prostitute.
The "Highway To Hell" is the Canning Highway in Australia, which seems to go on forever, at least according to AC/DC.
As a songwriter and producer, Narada had hits with Aretha Franklin, Whitney Houston, Mariah Carey and Starship. But what song does he feel had the greatest impact on his career?
With a few clues (Works at a diner, dreams of running away), can you name the character in the song?
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Brian has unearthed outtakes by Fleetwood Mac, Aretha Franklin, Elvis Costello and hundreds of other artists for reissues. Here's how he does it.
When singers started spoofing their own songs on Sesame Street, the results were both educational and hilarious - here are the best of them.