Listen to Sleepy Strings Harmony online. Sleepy Strings Harmony is an Instrumental language song and is sung by Guitars Unlimited, Sleepy Baby Piano Music and Sleeping Baby Playlists. Sleepy Strings Harmony, from the album Dreamland Nights: Guitar Music for Baby Sleep, was released in the year 2025. The duration of the song is 2:53. Download Instrumental songs online from JioSaavn.