Burl Ives Burl Ives, shown, 59, the "big daddy" of folk singers, believes in keeping up with the times. The Beatles are marvelous, Bob Dylan is terribly gifted, Donovan is wonderful, and Peter, Paul and Mary and Lou Rawls are great, he says, admitting he even thinks tiny Tim is great fun. "I don't know that I keep up," he says, "but I'm not tied to 'Jimmy Cracked Corn