CAIRO: Cairo Opera House will be presenting Giuseppe Verdi's Un Bal Masque from September 22 through September 28. The story of the three-act opera revolves around the historical events of the assassination of King Gustav of Sweden at a masquerade ball at his palace. Performing in the Opera are Iman Mustafa, Walid Karim a, Mustafa Mohamed, Engy Mohsen Rasha Talaat Abdel-Wahab Al-Saeed a,Julie Fazy and Hala Shaboury attributed Ghanem, Ramez Bahaa and 3 visiting opera singers from abroad – Francesco Bakaruni , Alfeo Gesso and Elena Baramucha. The opera is part of a series of 14 events to be held in the main hall of the Cairo Opera House.