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.
... completed car was ready in 1990 but the unveiling was delayed until the anniversary date of September 15, 1991. The car had a quad turbo V12 3500cc engine of ...