The answer explains the unique approaches of Claude Debussy, Arnold Schoenberg's twelve-tone method, and George Gershwin's American musical style.
Claude Debussy: His creative style featured unique approaches to musical elements, harmonically rich and elegantly sophisticated compositions.
Arnold Schoenberg: Introduced the twelve-tone method, rejecting traditional tonality for atonality and influencing future composers.
George Gershwin: Known for blending classical and jazz elements, creating a distinctly American musical style.
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