La vera costanza (True Constancy), Hob. 28/8, is an operatic dramma giocoso by Joseph Haydn. The Italian libretto was a shortened version of the one by Francesco Puttini set by Pasquale Anfossi for the opera of the same name given in Rome in 1776. The story explores the troubles of a sentimental heroine abandoned by a mad lover.

Librettist Francesco Puttini
Premiered 1779, April 25th in Fert?d, Hungary
Type Opera
Catalogue Hob. XXVIII/8
Instruments Orchestra
Voice (Tenor) - Count Errico, secret husband of Rosina
Voice (Soprano) - Rosina, a fisherwoman
Voice (Soprano) - Baroness Irene, Count Errico's aunt
Voice (Soprano) - Lisetta, the baroness's maid
Voice (Tenor) - Marquis Ernesto, friend of Errico
Voice (Baritone) - Masino, fisherman, Rosina's brother
Voice (Bass) - Villotto, a wealthy but doltish gentleman
Autotranslations beta Joseph Haydn: La vera costanza - Dramma giocoso, Hob. XXVIII/8 "(True Constancy)"
Franz Joseph Haydn: La vera costanza - Dramma giocoso, Hob. XXVIII/8 "(True Constancy)"
Joseph Haydn: La vera costanza - Dramma giocoso, Hob. XXVIII/8 "(True Constancy)"