Georg Muffat 1690-†1704; his grave and that of his successor Anton Aufschnaiter (†1742) in the cloisters.

The probably biggest church organ in the world was built in 1928 by Steinmeyer, using the three existing fronts from 1688 and 1718, and further extended in 1980 and 1993. Today there are five organ bodies, played from a central console with five manuals. In total 233 stops, 17.774 pipes.