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.
... 1929[?], the first Grand Prix of Monaco automobile race was held, won by Charles Grover[?] (aka "Williams") driving a Bugatti painted in what would become the famous ...