Noter
Original
Chopin, Frédéric. Nocturne No.20 in C-sharp minor. Posthumous. B.49. Chopin, Frédéric. Piano solo. Main sheet music.
Oversettelse
Chopin, Frédéric. Nocturne No.20 in C-sharp minor. Posthum. B.49. Chopin, Frédéric. Piano solo. Hoved notene.