Mass_in_C_major,_K._337_"Solemnis"
The Missa solemnis in C major by Wolfgang Amadeus Mozart, K. 337, was written in 1780 for Salzburg.[1] It was Mozart's last complete mass.[2] The mass is scored for soloists, choir, 2 oboes,[3] 2 bassoons, 2 trumpets, 3 trombones,[4] strings (without violas[5]) and organ, the latter supplying figured bass for most of the duration.