"Calvary Choir presented the Messe in h-moll, op. 232 (B-minor Mass) of J. S. Bach in the winter of 1989. The choir was accompanied by a hired orchestra and a small continuo instrument that was rented from the Martin Ott Pipe Organ Co. of St. Louis, Missouri. Following the presentation, the church decided to purchase this instrument." --Ott website
Status Note: There 1994.