What makes the compositions of Handel, Bach, Haydn, Mozart, Beethoven, Schubert, Schumann, Chopin, and Brahms stand out as great works of art? Heinrich Schenker (1868-1935) set out to answer this question in a series of treatises, beginning with a strikingly original work with the deceptive title Harmonielehre (roughly: Treatise on Harmony, 1906).
Whereas other treatises of the period associated harmony with the abstract principles governing...