Tetarti Prosefxi

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“Tetarti Prosefxi (Ψαλμός 135: Εξομολογείσθε τῷ Κυρίῳ)” is a devotional composition structured around the Trisagion Hymn and the opening verses of Psalm 135. The piece centres on thanksgiving, divine mercy, and recognition of God as creator and sovereign over all things.

The repeated invocation “Ἅγιος ὁ Θεός” frames the composition in reverence and humility, calling upon divine holiness, strength, and immortality while seeking mercy. This liturgical refrain establishes a sacred tone before transitioning into the psalm of praise.

Psalm 135 unfolds as a rhythmic proclamation of gratitude. Each line affirms that God is good and that His mercy endures forever, creating a powerful pattern of repetition that reinforces eternal compassion and faithfulness. The verses highlight divine creation, from the heavens and the earth to the sun, moon, and stars, presenting God as architect of the cosmos and ruler of time, day, and night.

The recurring “Ἀλληλούια” intensifies the spirit of praise, transforming the text into a communal declaration of joy and worship. The repetition of mercy as everlasting anchors the theological focus on steadfast love as the defining attribute of God.

The return of the Trisagion at the end completes the liturgical cycle, bringing the prayer back to its foundation of holiness and supplication. The structure moves from reverence to thanksgiving and back to reverence, mirroring traditional worship patterns.

Emotionally, the tone carries exaltation, gratitude, and spiritual assurance. The composition emphasises divine constancy, creative authority, and enduring mercy, presenting praise as both acknowledgement of creation and affirmation of faith in God’s eternal presence.