Listen to Tranquil Strings Restful Sleep online. Tranquil Strings Restful Sleep is an Instrumental language song and is sung by Guitar Orchestra, Guitar Metal Heroes and Guitar Serenity. Tranquil Strings Restful Sleep, from the album Guitar Music for Quiet Sleep, was released in the year 2025. The duration of the song is 2:56. Download Instrumental songs online from JioSaavn.