Title: Regule =
Subjects: Early works to 1800, Music theory, Neumes, Medieval & Renaissance music (c 1000 to c 1600), Theory of music & musicology, Music/Songbooks, Medieval Music, Musical Notation, Music, Instruction & Study - Theory, Music / History & Criticism, 500-1400, Histoire, Thâeorie musicale, Music theory, history, 500-1400, History