Listen to Harmony Guitar Restful Nights online. Harmony Guitar Restful Nights is an Instrumental language song and is sung by Calm Guitar Music Rhythms, Guitar Beat Hero and Guitar Relax. Harmony Guitar Restful Nights, from the album Guitar Music for Pure Relaxation, was released in the year 2025. The duration of the song is 2:54. Download Instrumental songs online from JioSaavn.