Ivan Fyodorovich Koshkin (died 1427), boyar and father or Zakhary Ivanovich
Koshkin's most celebrated guitar work is "Usher-Waltz." a piece inspired by the Edgar Allan Poe story The Fall of the House of Usher, in which Poe wrote, "I listened, as if in a dream, to the wild improvisations of his speaking guitar." Koshkin's piece was written for the famed guitarist Vladislav Blaha.
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Besides writing works for solo guitar, Koshkin has composed guitar-ensemble music as well; in addition to numerous pieces for guitar duo, he has written two works for guitar quartet: Changing the Guard (1994), and Suite for Four Guitars (composed for the Georgia Guitar Quartet, 2007).