Original: The Summons. Choir sheet music. For 2 equal voices, descant, keyboard. The flute part is available separately.
Translation: OT 2 B OT 3 A, OT 3 B OT 5 C OT 10 A OT 13 A, C OT 14 C OT 15 B OT 22 A OT 28 B, Easter, Ascension, Trinity Sunday. Beginning.