history of Western music theory

History of Music Through Documents

Annotated Scholarly Edition

Guido d’Arezzo. Regulae rhytmicae

Sergey N. Lebedev

8-33

Sethus Calvisius. Melopoeia (conclusion)

Sergey N. Lebedev, Arina M. Saltykova

224–315

Ancient Musical Heritage

Annotated Scholarly Edition

Cleonides. Harmonic Introductory

Vyacheslav G. Tsypin, Sergey N. Lebedev

168-186