Al Gore chose an inspiring but obscure campaign song when he ran for president in 2000: "Let The Day Begin" by The Call.
What #1 hit is built on a sample of another #1 hit? "Hypnotize" by The Notorious B.I.G., which gets its groove from "Rise," a chart-topper for Herb Alpert in 1979.
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.
The Genesis song "Invisible Touch" was inspired by the Prince-written Sheila E. track "The Glamorous Life."
John Steinbeck's novel The Grapes of Wrath got its title from a line in "The Battle Hymn of the Republic": "He is trampling out the vintage where the grapes of wrath are stored."
Tired of X-Factor winners getting the UK Christmas #1, British Facebook users staged a successful campaign to download "Killing In The Name" by Rage Against The Machine enough times to boost the song to the top in 2009, blocking the X-Factor single by Joe McElderry.
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.
Justin wrote the classic "Nights In White Satin," but his fondest musical memories are from a different decade.
Find out how God and glam metal go together from the Stryper frontman.
With his X-wife Exene, John fronts the band X and writes their songs.
On the "schizoid element" of his lyrics, and a famous line from "Everything Zen."
The story of the legendary lupine DJ through the songs he inspired.