 Al'tani had a significant association with Tchaikovsky.He conducted the first performance of the "1812 Overture" (1882) and the first performances at the Bolshoi Theatre of his operas "Mazeppa" (1884), "The Enchantress" (1890), "The Queen of Spades" (1891) and "Iolanta" (1893).Al'tani also conducted the 1888 Moscow premiere of the revised 1872 version of Mussorgsky's "Boris Godunov", and the world premiere of Rachmaninoff's "Aleko" (1893).