Arnold Schoenberg (born September 13, 1874, Vienna, Austria—died July 13, 1951, Los Angeles, California, U.S.) was an Austrian-American composer who created new methods of musical composition involving atonality, namely serialism and the 12-tone row. He was also one of the most-influential teachers of the 20th century; among his most-significant pupils were Alban Berg and Anton Webern. Schoenberg’s father, Samuel, owned a small shoe shop in the Second, then predominantly Jewish, district, of Vienna. Neither Samuel...