Arnold Schoenberg and George Gershwin were two of the greatest architects of twentieth-century art music, each of them simultaneously an agent of continuity and disruption. The disruption is easy enough to chart: Schoenberg’s complete rewiring of tonality’s motherboard; Gershwin’s successful integration of jazz and symphonic music (more successful than the integration into American society of the greatest exponents of this same music). Although the continuity in each instance is slightly more nebulous, it is equally as compelling.
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