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.
... attitude of non-restraint simply could not find a place amid the economic hardships of the 1930s. In many ways, however, the self-reliant flapper had allowed the ...