Pasquale Anfossi, Il curioso indiscreto, dramma giocoso in three acts, libretto attributed to Giovanni Bertati (New Grove also allows Giuseppe Petrosellini); premiered Teatro delle Dame, Rome, Carnival 1777. https://en.wikipedia.org/wiki/Il_curioso_indiscreto . Created to hold the 20 January 1984 Salzburg Mozartwoche revival, which is a staged/complete opera performance, not a concert work.