Christe, qui lux es et dies = (O Christ, who art the light and day): S.A.T.B.B.: office hymn for Compline, anciently proper to Lent until the Friday before Passion Sunday / William Byrd; edited by Anthony Greening. Revised [ed.].
Byrd, William, 1542 or 3-1623
Greening, Anthony
Also classified at 782.555324 ; £0.60