Le convenienze ed inconvenienze teatrali (Conventions and Inconveniences of the Stage), also known as Viva la mamma and Viva la Diva, is a dramma giocoso, or opera, in two acts by Gaetano Donizetti. The Italian libretto was written by Domenico Gilardoni, adapted from Antonio Simeone Sografi's plays Le convenienze teatrali (1794) and Le...