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.
... while at Rykovsk in the interior the minimum is -49° Fahr. The rainfall averages 22 1/2 in. Thick clouds for the most part shut out the sun; while the cold current ...