20th century classical music topic

At the turn of the 20th century classical music was characteristically late Romantic in style, while at the same time the Impressionist movement, spearheaded by Claude Debussy was taking form. America began forming its own vernacular style of classical music, notably in the works of Charles Ives, John Alden Carpenter, and (later) George Gershwin, while in Vienna, Arnold Schoenberg conceived atonality, and later developed the twelve-tone technique. Classical music in the 20th century varied... full article at wikipedia