By Richard S. Ginell
One hundred and thirty-five years since its 1876 premiere, Richard Wagner's Ring remains the biggest operatic show on earth, and the composer's influence... has, ever since, been immense and amply documented. Yet what influence has this irresistible force had upon the popular and jazz fields? Not a hell of a lot, if the truth be told. Upon jazz, for the most part, Wagner's actual language has had little impact.