"Seyfal mulk"[1] (Azerbaijani: Seyfəl mülk) – is an Azerbaijani opera composed in 1915, by composer Mashadi Jamil Amirov.
Mirza Gadir Ismayilzade, known as "Vusagi" (Mikayil Mushfig's father) was the author of a libretto.
[2] Sidgi Ruhulla was a staging director of the opera.
[3] According to contemporary writers, composer Mashadi Jamil Amirov was the conductor of the opera.
[2] The opera was staged in Tbilisi and other cities of the South Caucasus.