PDF Download • Pristine Scan: Father Mathias’ 1905 Kyriale Organ Accompaniment (186 pages)
Father Mathias served as organist for Strasburg Cathedral, where he founded the “Saint Leo Institute for Church Music” in 1913.
Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”