Seraphim Bit-Kharibi

Gregorian chant is the central Western tradition of plainchant: a monophonic, unaccompanied sacred song in Latin (and occasionally Greek) used in the Roman Catholic liturgy. It employs free rhythm guided by the prosody of the text rather than by strict meter, and is sung in unison by clerics or scholas. Its melodies are organized by the system of eight church modes, with characteristic finalis (final), tenor/reciting tones, and melodic formulas. Repertoires include the Proper and Ordinary of the Mass (e.g., Introit, Gradual, Alleluia, Offertory, Communion, Kyrie, Gloria, Credo, Sanctus, Agnus Dei) and the Divine Office (e.g., Antiphons, Responsories, Hymns, Psalms). Although legend credits Pope Gregory I, modern scholarship sees Gregorian chant as a Carolingian synthesis of Old Roman and Gallican chants, standardized across Frankish realms and later the broader Latin West.

Syro‑Aramaic chant (often called Syriac chant) is the ancient Christian liturgical singing tradition of the Syriac‑speaking churches of the Near East. Sung in Classical Syriac (a form of Aramaic), it is a monophonic, a cappella repertoire used in the Divine Liturgy and Daily Offices of West‑Syriac (e.g., Syriac Orthodox, Maronite) and East‑Syriac (e.g., Assyrian Church of the East, Chaldean) rites. Musically it is modal and highly melismatic, organized into an eight‑mode system (Oktoechos) with Syriac names (Qadmoyo, Trayono, Tlithoyo, Rbiyo, Hmsho, Shtithoyo, Shbi‘oyo, Tminoyo). The core corpus is preserved in the Beth Gazo (“Treasury of Melodies”), which supplies model tunes and cadential formulas for a wide range of hymn types (qolo, madrāšā, soghīthā, bo‘utho, teshbuhte). Performance is responsorial or antiphonal, led by a cantor (ḥazzā) with the assembly responding, and rhythm follows the prosody of the sacred text rather than fixed meter. Its sound world is solemn, luminous, and text‑driven: narrow to moderate ambitus, stepwise motion, and ornate turns and micro‑ornaments articulate the theology of the text. Historically unaccompanied and in unison, local practices sometimes add a soft ison‑like drone.