"Truckin'" was written as the Grateful Dead were starting their long, strange trip, settling into a life of constant touring. They rode busses and holed up in modest hotels to stay grounded.
"Constant Craving" by k.d. lang deals with principles of Buddhism, including the cycles of birth and death.
Devo got the idea for their "Whip It" video from an article about a guy who owned a dude ranch and charged people to watch him remove his wife's clothes with a bullwhip.
When "Baby Love" reached the top spot, The Supremes became the first Motown act with two #1 hits on the Hot 100.
"Master Blaster (Jammin')" is Stevie Wonder's tribute to Bob Marley, released less than a year before Marley died.
In the INXS song "Devil Inside," the devil represents chaos. "Every time you think something's right, he comes in and changes everything," Michael Hutchence said.
Iron Maiden, Adele, Toto, Eminem and Earth, Wind & Fire are just some of the artists with songs directly inspired by movies - and not always good ones.
The story of the legendary lupine DJ through the songs he inspired.
We've heard of artists putting their hearts into their music, but some take it literally.
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
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.
How well do you know your protest songs (including the one that went to #1)?