Listen to Harmonious Sleep Strings online. Harmonious Sleep Strings is an Instrumental language song and is sung by Outstanding Guitar Music, Music for Sleeping Fall Asleep Fast and Music for Sleeping Moods. Harmonious Sleep Strings, from the album Guitar Serenity: Soothing Music for Sleep, was released in the year 2024. The duration of the song is 3:16. Download Instrumental songs online from JioSaavn.