Ernő Lendvai (February 6, 1925 – January 31, 1993) was one of the first music theorists to write on the appearance of the golden section and Fibonacci series and how these are implemented in Bartók's music, he also formulated the axis system, acoustic scale and alpha chord, an octatonic scale is any which number note musical scale?
Ernő Lendvai Ernő Lendvai (February 6, 1925 – January 31, 1993) was one of the first music theorists to write on the appearance of the golden section and Fibonacci series and how these are implemented in Bartók's music. He also formulated the axis system, acoustic scale and alpha chord.
Ptolemais of Cyrene Ptolemais of Cyrene (Ancient Greek: Πτολεμαῒς ἡ Κυρηναία ) was a harmonic theorist, author of "Pythagorean Principles of Music" (Πυθαγορικὴ τῆς μουσικῆς στοιχείωσις). She lived perhaps in the 3rd century BC, and "certainly not after the first century AD."