Große Messe The Große Messe ( or Great Mass ) No. 17 in C minor K427 by Wolfgang Amadeus Mozart , composed in 1782 , embodies all of the pomp and solemnity associated with the Salzburg traditions of the time , but it anticipates the symphonic masses of Haydn in its solo-choral sharing . Above all else , Mozart was at the time immersed in the music of Bach and Handel . In the Credo listeners experience a kind of neo-baroque treat that is all rhythmically conceived . The Mass was written as a result of a vow Mozart made with himself in relation to his wife Constanze and his father Leopold and their strained relationship . Though not quite complete ( missing most of the Credo ( the orchestration of which is incomplete ) and all of the Agnus Dei ) , the Mass was performed at St Peter 's in Salzburg on 25 August 1783 . There is a good deal of speculation surrounding this unfinished work , as to why it was left unfinished , what exactly was the vow Mozart made , and how it was performed if it was not completed . The Kyrie is widely regarded as one of Mozart 's most beautiful works , becoming more widely known through its use on the soundtrack of the movie Amadeus . The music from the Kyrie and Gloria was reused , almost without changes except for the text , in a work called `` Davidde Penitente '' . The Credo is incomplete , ending at the phrase `` et homo factus est `` . Parts of the Credo and the Sanctus were only partially written and had to be completed by others . Ordinary of the Mass External links Text and translation H2G2 article on the Große Messe  This article about a classical composition is a stub . You can help Wikipedia by expanding it . Categories : Compositions by Wolfgang Amadeus Mozart | Classical composition stubs In other languages : Italiano | 日本語 | Polski | Suomi 