In the last decade, Krzysztof Penderecki composed a Sanctus and Benedictus for treble choir, and he has now used these movements as the basis of his Missa brevis. The new mass setting adds male voices in fitting with the structure of the boys\' choir, which will be celebrating its 800th anniversary with the first performance of this work.Penderecki\'s oeuvre contains many sacred works, with numero…