The first page of the autograph of the Mass K.49 (47d) bears below the author’s name the crossed-out (autograph?) suffix “in Wien” (“in Vienna”). “1768” and “in Wien” have been added by two other unidentified eighteenth-century hands.Mozart’s handwriting and the paper quality appear to verify this information. Moreover Mozart sketched the draft of the Gloria (measures 1 to 18) on a piece of paper the reverse side of which his father had used undoubtedly before that for the fair copy of the piano score of aria no. 11 from Bastien et Bastienne K. 50 (46). In Leopold Mozart’s list of works composed byWolfgang up to 1768 “Eine kleinere Messe a 4 vocibus 2 Violinis &c” (“a small Mass with 4 voices 2 violins etc.”) appears as the penultimate entry; the year 1768 was added by Mozart’s sister. Although the obbligato viola is not mentioned there this comnposition is surely the Mass K.49.- Urtext of the New Mozart Edition- Full score performance material (BA4769) and vocal score (BA4769-90) available for sale.
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Missa Brevis