Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."
Untangling the events that led to the "Stairway To Heaven" lawsuit.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
When Dave recorded the first version of the song with his group the Blasters, producer Nick Lowe gave him some life-changing advice.
When singers started spoofing their own songs on Sesame Street, the results were both educational and hilarious - here are the best of them.
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.