Listen to Nocturne No. 20 in C-Sharp Minor, Op. Posth. online. Nocturne No. 20 in C-Sharp Minor, Op. Posth. is an Instrumental language song and is sung by Katya Kramer-Lapin. Nocturne No. 20 in C-Sharp Minor, Op. Posth., from the album Night Work Music, was released in the year 2024. The duration of the song is 4:50. Download Instrumental songs online from JioSaavn.