You know it when you hear it, but can you say what it is? How you know? Why you either love or loathe it? What makes it original or derivative? To a music that tends to render its aficionados and detractors equally inarticulate, Theodore Gracyk brings a rare critical clarity. His book tells us once and for all what makes rock music rock. A happy marriage of aesthetic theory and the aesthetic practice that moved a generation, Rhythm and Noise...