Generation X moviegoers thank him for producing Ione Skye, while Details readers are into his son's band Nancy Boy, but aging Aquarians know that Donovan was one of the key artists of the revolutionary 1960s. He started his career as Britain's answer to Bob Dylan, and his first two acoustic folk albums are charming, low-key winners; but he turned into a "Sunshine Superman" just in time for the Psychedelic revolution. If all you've heard from Donovan is "Mellow Yellow," do yourself a favor ...