Began in October 1835 to commemorate the death of Donizetti's friend and rival Vincenzo Bellini in Naples, the work was left unfinished (probably due to composer unable to conduct it in December, because he was not in the city).
The first known performance took place the same year in Donizetti's native Bergamo, in the basilica of Santa Maria Maggiore, under Alessandro Nini.
[1] In 1974 Vilmos Leskó prepared a new Ricordi edition of the Requiem, and since then it came to be regarded as one of the most important non-operatic compositions by Donizetti.
[3] Donizetti's Requiem was performed at the Piazzale del Cimitero monumentale in Bergamo on 28 June 2020, to commemorate the victims of the coronavirus pandemic.
While Donizetti completed the Sequentia and Offertorium, there is no trace of Sanctus, Benedictus and Agnus Dei, which are thought to be never composed.