Advent 20DEC, Common of Several Martyrs December 19, 2023December 19, 2023 / frdavidblog / Leave a comment Advent, 20 December, Psalm and Alleluia, Organ Common of Several Martyrs, Vespers Booklet Common of Several Martyrs, Benedictus and Magnificat, chant and organ accompaniment Immaculate Conception, 08 December, I Vespers Booklet