Partituri
Original
Chopin, Frédéric. Nocturne No.20 in C-sharp minor. Posthumous. B.49. Chopin, Frédéric. Piano solo. Main sheet music.
Traducere
Chopin, Frédéric. Nocturne No.20 in C-sharp minor. Postum. B.49. Chopin, Frédéric. Pian solo. Partituri principal.