Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).
After studying in Paris with a famous composition teacher, Charles became the most successful writer of TV theme songs.
Since his debut single "I'm On Fire" in 1975, Dwight has been providing Spinal-Tap moments and misadventure.
The good doctor shares some candid insights on recording with Phil Spector and The Black Keys.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
"I'll Be" was what Edwin called his "Hail Mary" song. He says it proves "intention of the songwriter is 180 degrees from potential interpretation by an audience."