The "DIGITAL BYZANTINE ISOKRATIS" is the absolute solution for anyone dealing with Byzantine music, whether professional or amateur. The "DIGITAL BYZANTINE ISOKRATIS" replaces or complements and guides the group of Isocrates in the performance of chant. Especially for the cantor who usually chants alone, without help from trained and experienced Isocrates, "DIGITAL BYZANTINE ISOKRATIS" is an ideal solution as it offers accompaniment of Isokratema with the most natural sounding, high volume and harmony.