Alexander Kopylov (July 14, 1854?1911) (Kopilov) was a Russian composer and violinist. Kopylev was unable to gain entrance to either of the major Conservatories in Russia, he nevertheless was able to study composition privately with Nikolai Rimsky-Korsakov and Anatoly Liadov after studying for many years as a chorister and violinist in the Imperial Court Choir which was similar and modeled after the more famous one in Vienna, which is today known as the Vienna Boys Choir. Kopylov was to teach there for much of his life. He gained a reputation as a symphonist, and composer of songs but through his friendship with Rimsky-Korsakov became interested in chamber music, writing four string quartets. Of them Wilhelm Altmann, the famous chamber music scholar and critic, writes in his Handbuch für Streichquartetspieler: (Hide extended text)...(Read all) Source : Wikipedia