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Alexander Konstantinovich Glazunov, a renowned Russian composer, conductor, and teacher, was born in 1865. His musical talent was evident from a young age, and he studied at the Saint Petersburg Conservatory under Nikolai Rimsky-Korsakov. Glazunov's compositions, which include symphonies, concertos, and ballets, are known for their rich orchestration, lyrical melodies, and nationalistic themes.