Tonalité : C-Moll - Kv 427. Par MOZART WOLFGANG AMADEUS. The Mass in C minor, K. 427, Mozart's 'Great Mass' remaines a torso - a circumstance which is extremely regrettable, especially given the monumentality of this work. Mozart finished only the Kyrie, Gloria, Sanctus, 'Osanna', and Benedictus of the Mass. For two movements from the Credo he only completed sketches without instrumentation. In Ma…