Saint Leontius, Canonarch of the Kiev Caves In his youth he entered the Kiev Caves monastery, where he received tonsure. He was endowed with a fine voice, and when he learned his letters, he fulfilled the obedience of canonarch (leader of church singing). St Leontius died at a young age in the fourteenth century. He was glorified by the Lord for his selfless deeds with the gift of miracles. The relics of the holy ascetic are located in the Far Caves, and he is also commemorated on August 28, the Synaxis of the Saints of the Kiev Caves.