Harry Christophers brought his Sixteen to Manchester for a night of deeply romantic choral music at The Bridgewater Hall. Brahms’ Deutsches Requiem was a foreseeable success, but the seldom-heard Vocal Quartets, settings of Sternau, Schiller, Daumer and Goethe, were a delightful addition to the programme.The first set of Brahms quartets, Op.