Telemachus Tatsis, an expert in the Greek educational reality, presents his ultimate offer. A wide range of subjects with an emphasis on organology, history, notation, and physical acoustics. This work includes information on the mathematical approach to music, the etymological interpretation of musical terms, and the naming of instruments in various languages.

Important references are made to organology and the theoretical part of great musical cultures, such as:

• Ancient Greeks
• Indians
• Byzantium
• Modern musical cultures of Jazz and Eastern Music

The work also covers the modes and scales of Greek folk singing.