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.
... its independence from British colonial rule in 1963.
From October 1952 to December 1959, Kenya was under a state of emergency arising from the "Mau Mau" rebellion against ...