Uzeir Hajibeyov is a great composer and a pioneer of the world music culture of the XX century.

He is one of the first musicians, who could assist to interaction of two cultures: the western and eastern ones.

He was the founder of the new historical way of Azerbaijan musical culture's development, as well as development of Azerbaijan composers' school. He was the first one in many points of Azerbaijani music:
- ancestor of the first Azerbaijan opera, musical comedy, and other genres;
- specialist in folklore;
- great musician-scientist;
- originator of new tune theory, not only for Azerbaijan music, but for the East in the whole;
- pioneer in many areas;
- publicist;
- author of satirical articles;
- librettist;
- dramatist;
- public figure;
- creator of the first eastern theater;
- creator of the first eastern Conservatoire.

The essential dates of his life:
September 18, 1885 - birth in Agjabedi village, near Shusha.
1899 - 1904 - education in Gori seminary.
1905 - arrival in Baku, start of journalist activity.
1907 - edition of the Russian-Tatar and Tatar-Russian Dictionary of political, juridical, military, and other terminology.
1907 - creation of the first Azerbaijan and really eastern opera "Leyli and Mejnun" (based on Fizuli's poem "Leyli and Mejnun")
1908 - (January, 25) premiere of the "Leyli & Mejnun" opera
1909 - creation and premiere of the "Sheikh Sanan" opera
1909 -1910 - creation and premiere of the musical "Husband and Wife"
1910 - opera "Rustam and Zohrab"
1910-1911 - musical "If not This One, then the Other One"
1912 - opera "Shakh Abbas and Khurshid Banu"
1912 - opera "Asli and Kerem"
1912-1913 - Education in Moscow at private Musical Courses of A. Ilyinsky
1913-1914 - Education in St. Petersburg (January-July 1914 - in St. Petersburg Conservatoire
1913 - musical "Arshin Mal Alan"
1915 - opera "Garun and Leila"
1918 - creation of the national anthem of the first Azerbaijan Democratic Republic (to Ahmad Javad's words)
1921 - issue of the article "Musical-enlightener Objectives in Azerbaijan". This article was a kind of program to develop musical culture in Azerbaijan. Musical-aesthetical thesis on necessity to interrelate between western and eastern musical cultures was formed just in this article for the first time.
1921, August - Uzeir Hajibeyov originated Azerbaijan State Conservatoire according to his written report-charter.
1922 - creation of the Turkic musical school assigned for Azerbaijan students.
1925 - started working at his book "Principles of Azerbaijani Folk music"
1927 - jointly with Muslim Magomayev he issued the first anthology of Azerbaijani folk songs
1921-1928 - teaching activity in Azerbaijan State Conservatoire (disciplines: to play on the tar from music, and Principles of Azerbaijani folk music)
1928 - initiated and organized the 1-st Congress of Azerbaijan ashugs.
Late 20th - early 30th - creation of the 1-st marsh songs ("Komsomol member," "Red army march," etc.)
1931 - initiated the first Azerbaijan Orchestra of folk instruments (playing from music)
1931 - creation of first works for this orchestra: (1-st and 2-nd Fantasies.)
30th years - creation of first Azerbaijan cantatas (including those, devoted to 1000-year anniversary of Firdowsy), a piece for violin, cello, piano, "Ashig sayagi"
1932-1936 - creation of the opera "Koroglu"
1937, April - premiere of the opera "Koroglu"
1938 - opera "Koroglu" and musical "Arshin Mal Alan" on the stage of the "Bolshoi Theater" (10-Days of Azerbaijan Arts in Moscow).
1938 - awarded the Honored Title of People's Artist of the USSR.
1939 -1948 - Rector of Azerbaijan State Conservatoire, and Chairman of the Composers' Union.
1941-1945 - creation of: romances, ..gazels "Without you" and "Sweetheart" ..to Nizami's words, cantata "Motherland and front," heroic and patriotic songs "Farewell," "Nurse," and "Mother's Farewell to Son," etc., the piece "Jangi" for folk instruments orchestra, plans of creation "Babek" and "Firuza" operas.
1944, December - one of the Heads and participants of "10-Days of Trans-Caucasus music" in Tbilisi.
1945 - creation of Azerbaijan national anthem
1945 - publication of his book "Principles of Azerbaijani Folk Music"
1948, November 22, Uzeir Hajibeyov deceased.

Azerbaijan State Conservatoire, Azerbaijan Symphony Orchestra, and one of the central streets of Baku were named after him. Hajibeyov's House-Museum is functioning in Baku.