When Muddy Waters came to London at the start of the '60s, a kid from Boston called Joe Boyd was his tour manager; when Dylan went electric at the Newport Festival, Joe Boyd was plugging in his guitar; when the summer of love got going, Joe Boyd was running the coolest club in London, the UFO; when a bunch of club regulars called Pink Floyd recorded their first single, Joe Boyd was the producer; when a young songwriter named Nick Drake wanted to give his demo tape to someone, he chose Joe Boyd.