Complex sentence: Elvira (soprano), accompanied by her slave Zulma (mezzo), regrets the loss of the love of her husband, the Turkish Bey Mustafà (bass), while he is exasperated by her persistence.
Split into simpler sentences: Elvira (soprano), accompanied by her slave Zulma (mezzo), regrets the loss of the love of her husband. The Turkish Bey Mustafà (bass) is exasperated by her persistence.