The culmination of 10 years’ worth of work, Noise is a rereading of the conventional wisdom about 20th-century classical music: that avant-garde, atonal music was the important music of the century and that in some ways all modern classical music is derived from it. This argument is near-heretical for many scholars of classical music, but what Mr. Ross is really asking for is a complete reorientation of how classical music is appreciated: as part of culture as a whole, not a hermetically sealed world unto itself.