A Dictionary of Music and Musicians/Davidde Penitente

DAVIDDE PENITENTE. A 'cantata' for 3 solo voices, chorus, and orchestra, to Italian words by an unknown author, adapted by Mozart in 1785 from his unfinished mass in C minor (K. 427), with the addition of a fresh soprano and fresh tenor air, for the widows' fund of the Society of musicians (Tonkünstler-Societät); and performed on March 13 and 15, 1785, in the Burgtheatre at Vienna.