pt. 1. The liturgy and its development. Definition and terminology ; The structure of the liturgy ; Origin and development to c. 600 ; The development after 600
pt. 2. General aspects of the chant. The texts ; The notation ; The tonality ; Methods and forms of psalmody
pt. 3. Stylistic analysis. The liturgical recitative ; The free compositions : general aspects ; The free compositions according to types ; Ambrosian chant / Roy Jesson ; The old-Roman chant / Robert J. Snow
Conclusion: Prolegomena to a history of Gregorian style.
