Ôßôëïò: Numerically System of Greek Music, Christos Tsiamoulis - book Author: Christos Tsiamoulis Publisher: panas music Pages: 152 ISBN: 979-0-69151-240-1   The first part of the book contains historical data of the musical traditions that contributed to the formation of the material we now call folk music. The second part analyzes the system numerically. The third part presents the ancient feet and rhythms of popular and classical music and gives general principles of harmonic accompaniment and morphological analysis of the members.