Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
He's a singer and an actor, but as a songwriter Paul helped make Kermit a cultured frog, turned a bank commercial into a huge hit and made love both "exciting and new" and "soft as an easy chair."
Mike talks about the "Silent Running" storyline and "Land Of Confusion" in the age of Trump.
How a country weeper and a blues number made "rolling stone" the most popular phrase in rock.
Martyn talks about producing Tina Turner, some Heaven 17 hits, and his work with the British Electric Foundation.