It is just upon forty years since Walter Pater, in his unforgettable essay on “The School of Giorgione,” pointed to music as the true type or measure of perfected art. “It is the art of music which most completely realises this artistic ideal, this perfect identification of form and matter. In its ideal, consummate moments, the end is not distinct from the means, the form from the matter, the subject from the expression; they inhere in and completely saturate each other; and to it, therefore, to the condition of its perfect moments, all the arts may be supposed constantly to tend and aspire.”