Austin, William W. Music in the 20th Century: From Debussy to Stravinsky. New York: W. W. Norton & Company, 1966.
A history of 20th century music up to the 1960's.
Focuses on three major composers: Schoenberg, Bartók, and Stravinsky. Also gives considerable attention to jazz music. Also includes individual chapters centered around Debussy, Webern, Hindemith, and Prokofiev. Discusses other composers worldwide.
Text is organized into 27 chapters. Chapters are organized around topics, which are loosely chronological. Topics include individual composers, phases within a composer's career (i.e. "Schoenberg to the Twelve-Tone Technique), nationalities, etc. Text includes musical examples to illustrate works discussed. Includes several plates of pictures. Includes a bibliography that is organized into sections alphabetically by composer, with citations listed alphabetically by author. Includes a general index.
Gives a broad, although subjective, perspective on 20th century music.
As information about composers are scattered throughout the text, it can be difficult to find specialized information.