Bản dịch gốc: Burgess, Francis. The Rudiments of Gregorian Music. voices. Early 20th century. Methods. Music theory. Writings. For 1 voice. For ...
Bản dịch: Burgess, Francis. The Rudiments of Gregorian Music. voices. Early 20th century. Methods. Music theory. Writings. For 1 voice. For ...
