Opera (Singspiel) in 3 acts by Mozart (K384) to Ger. lib. by Gottlob Stephanie adapted and enlarged from C. F. Bretzner's lib. for André's Belmont und Constanze (1781). Comp. 1781–2. Prod. Vienna 1782, London 1827, NY 1860. In 19th cent. was sung in It. in Eng., hence spurious title Il seraglio.