Arnold Keyserling audio recording of private teachings in U.S. in 1990s. Early Greek philosophers are featured as important background of western music theory. Genius. We need to jump into Zero, into Awareness. The Pythagorean way builds music and math together. Secret of the Pentagram symbol of pythagoreans. Chinese reached the same kind of inner music scale using five tones. The I Ching hexagrams are included in the bridge between cultures.