Jacob of Sarug (451-521) was a prolific writer of the Syriac Church and was known as "e;the flute of the Holy Spirit and the harp of the believing church"e;. Sebastian Brock gives the Syriac edition of six homilies written by Jacob: on the birth of our Lord; on the baptism of our Lord; on the Great Lent; on Palm Sunday; on Good Friday; on Easter Sunday. The text is based on an ancient manuscripts preserved in London and dated 609.