Nocturne in C-Sharp Minor, Op. Posth., KK IVa, No. 16, B. 49 (升C小调夜曲，遗作，KK IVa, No. 16 (20a))歌词郎朗Nocturne in C-Sharp Minor, Op. Posth., KK IVa, No. 16, B. 49 (升C小调夜曲，遗作，KK IVa, No. 16 (20a))LRC歌词