In Anthroposophy, musical intervals develop in conjunction with humans’ spiritual and physical experiences. According to this system, song and speech arose in the Lemurian age. People lived in the Cosmos, absorbed sound from it, and did not experience their physical bodies. The smallest interval perceptible was the 9th. In the Atlantean age music was a transportation of physical experiences into the spiritual world. Smallest interval was the 7th. The Post-Atlantean was the age of the 5th. Singing and breath was a gift from the spirits, and it was in the breath that music was experienced……
