Listen to The Sound of Restful Slumber online. The Sound of Restful Slumber is an Instrumental language song and is sung by Montreal Guitar Trio, The Guitar Orchestra and Calm Guitar Music Seduction. The Sound of Restful Slumber, from the album Guitar Music for Sleep: Soft Strums for Deep Rest, was released in the year 2025. The duration of the song is 3:00. Download Instrumental songs online from JioSaavn.