Uzeyir bey Abdulhuseyn oghlu Hajibeyli, known as Uzeyir Hajibeyov was an Azerbaijani composer, conductor, publicist, playwright, and social figure. He is recognized as the father of Azerbaijani composed classical music and opera. Uzeyir Hajibeyov composed the music of the national anthem of Azerbaijan Democratic Republic. He also composed the anthem used by Azerbaijan during the Soviet period. He was the first composer of an opera in the Islamic world.