U+1D0A5 "𝂥" Byzantine Musical Symbol Martyria Alli Deyteros Ichos Unicode Character

U+1D0A5 "𝂥" Byzantine Musical Symbol Martyria Alli Deyteros Ichos is a notation used in Byzantine chant notation to indicate a specific musical mode or "ichos," often marking a change or transition within a liturgical composition. Specifically, this symbol represents the "Martyria Alli Deyteros Ichos," which serves as a directive to performers that the following passage should be sung in the second authentic mode, known as Deyteros. Such symbols are part of the rich paleographic tradition of Eastern Orthodox musical manuscripts, guiding singers in the correct modal interpretation and melismatic flow of the hymnody.