. "131838" . "132198" . . . "12 p'es srednej trudnosti = 12 pieces of moderate difficulty (1878, op. 040). Mazurka, piano, CS 140" . "12 p'es srednej trudnosti = 12 pieces of moderate difficulty (1878, op. 040). Mazurka, piano, CS 140 128048 131838 132195 132198 132313 179593 CAJKOVSKIJ, PËTR |f [componist]" . "128048" . "131838" . . . . . . "12 p'es srednej trudnosti = 12 pieces of moderate difficulty (1878, op. 040). Mazurka, piano, CS 140" . "CAJKOVSKIJ, PËTR |f [componist]" . "179593" . "132313" . "132195" .