Resurrectional Tones of the Octoechos Resurrectional Tones of the Octoechos Resurrectional Tones of the Octoechos By UOC Regina|2021-09-04T21:16:14-06:00March 1st, 2019| Octoechos (oktōēchos) is the name of the eight mode system used for the composition of Read More 0
