Listen to Nocturne No.1 Op.4-1 (Arr. For Piano by Relaxing Mode) (Rain Sound) online. Nocturne No.1 Op.4-1 (Arr. For Piano by Relaxing Mode) (Rain Sound) is an Instrumental language song and is sung by Relaxing Mode. Nocturne No.1 Op.4-1 (Arr. For Piano by Relaxing Mode) (Rain Sound), from the album Collection Of Gentle Classical Piano Lullaby Music, was released in the year 2025. The duration of the song is 4:53. Download Instrumental songs online from JioSaavn.