ALBUMHaydn: Concerto for Organ, Viola and Strings, P. 55 - Symphonies - P. 9, 27, 33Wilfried Boettcher, Cappella Coloniensis, Franz Lehrndorfer & Ulrich Koch
ALBUMDie Kunst der FugeSusanne Lautenbacher, Ulrich Koch, Enrique Santiago, Martin Ostertag, Hedwig Bilgram, Egino Klepper & Bell Arte Ensemble