"12 p'es srednej trudnosti = 12 pieces of moderate difficulty (1878, op. 040). Mazurka, piano, CS 139" . . . "482926" . . "132195" . "179593" . . "12 p'es srednej trudnosti = 12 pieces of moderate difficulty (1878, op. 040). Mazurka, piano, CS 139 128048 132195 132198 179593 482926 CAJKOVSKIJ, PËTR |f [componist]" . "CAJKOVSKIJ, PËTR |f [componist]" . . . "132198" . "12 p'es srednej trudnosti = 12 pieces of moderate difficulty (1878, op. 040). Mazurka, piano, CS 139" . "128048" . . "482926" .