Modern classical music is music written in the 20th century and beyond. Although much of it draws heavily on earlier forms, modern composers also experimented with rejection of long-held ideas; notably, Arnold Schoenberg questioned the traditional notions of harmony with his twelve-tone system[?], and John Cage questioned the very definition of music with his use of chance and found sounds.
... 0.00% Native American, 0.67% Asian, 0.00% Pacific Islander, 0.00% from other races, and 0.54% from two or more races. 1.48% of the population are Hispanic or Latin ...