Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
Martyn talks about producing Tina Turner, some Heaven 17 hits, and his work with the British Electric Foundation.
Go beyond The Beatles to see what you know about the British Invasion.
When Dave recorded the first version of the song with his group the Blasters, producer Nick Lowe gave him some life-changing advice.
Dean's saga began with "Ariel," a song about falling in love with a Jewish girl from New Jersey.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.