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.
... de Veuster (Father Damien) (January 3, 1840 - April 15, 1888) was a Roman Catholic priest who dedicated his life to ministering to the sufferers of Hansen' ...