Martin Haselbõck plays the Apparatus musico-organisticus of 1690, Part 2 (Toccatas 9-12, Ciacona, Passacaglia, Nova Cyclopeias Harmonica). The three-manual organ was built 1731 by Johann Ignaz Egedacher at Zwettl in lower Austria and restored tonally in 1991 by Jürgen Ahrend and in 1983 by Hradetzky.