This single volume covers all the topics typically taught in a two-year music theory course. In addition to numerous self-tests and examples, musical illustrations with commentaries, coverage of late 19th and 20th-century developments and a companion workbook, this updated edition includes a cassette with many of the text's musical examples; new exercises, summaries and self-tests; and an expanded supplements package. A study guide (0-07-034882-6) and an enhanced instructor's manual (0-07-035881-8) with a chapter quiz and answers to workbook exercises are also available.