Χερουβικό Αρβανίτη ήχος βαρύς εναρμόνιος | Arvanitis cherubic hymn grave enharmonic

Practising a new-to-me Cherubic Hymn setting. Significant mistakes at 2:40 (went too high on "και" and 5:54 "απόθωμεθα" (lost my place in the score).