Complex sentence: Among her most famous roles is Nigar from Koroglu, Asya from Arshin Mal Alan, and Asli from Asli and Kerem, all three operas by Uzeyir Hajibeyov, who also guided her as she began her operatic career.
Split into simpler sentences: Among her most recognized roles is, Nigar from Koroglu, Asya from Arshin Mal Alan, and Asli from Asli and Kerem. All three operas were written by Uzeyir Hajibeyov, who also guided her as she began her operatic career.