A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
We've heard of artists putting their hearts into their music, but some take it literally.
His keyboard work helped define the Muscle Shoals sound and make him an integral part of many Neil Young recordings. Spooner is also an accomplished songwriter, whose hits include "I'm Your Puppet" and "Cry Like A Baby."
Does he have beef with Gaga? Is he Sean Lennon's godfather? See if you can tell fact from fiction in the Elton John edition.
Phil was a songwriter, producer and voice behind many Philadelphia soul classics. When disco hit, he got an interesting project: The Village People.
When singers started spoofing their own songs on Sesame Street, the results were both educational and hilarious - here are the best of them.