Get ready to feel very emotional with "Calm Lullaby for Deep Slumber (Bird Song and Flowing River)" by The Sleepy Moon Symphony. With a 140 BPM and 4 time signature, the rhythms flow in A♯/B♭ major. Spanning 2 minutes and 23 seconds, "Calm Lullaby for Deep Slumber (Bird Song and Flowing River)" radiates low energy from start to finish. Let the very emotional vibes of this track carry you away.