For Pentecost, I’m offering a free, fully notated score of “Blessed Are You, O Christ Our God” (Εὐλογητὸς εἶ Χριστὲ ὁ Θεὸς ἡμῶν) in Plagal Fourth Tone (G Ionian mode), composed/arranged by Theodore Papakonstantinou, re-engraved and presented by Mastering Byzantine Polyphony:
A scrolling-score video with audio realization is also available on YouTube:
This score is presented as part of the living repertoire of Byzantine Polyphony: Orthodox chant treated through modal choral writing rather than ordinary Western harmonization.