A Bach cantata will be played at St Matthew-inthe-City on August 31 at 10am. Ich hatte viel Beku¨mmernis, BWV 21 – in two parts – is the longest and grandest of all of Bach’s cantatas. The cantata will be presented by four singers and eight instrumentalists along with the Donald Barriball Memorial Chamber Organ. It will be woven into the communion service. No charge.