Get ready to feel moody with "Prelude to Sleep - 10 minutes Of Nature Sounds Mingling With Flute Melodies" by Native American Flute. With a 72 BPM and 5 time signature, the rhythms flow in A minor. Spanning 10 minutes and 9 seconds, "Prelude to Sleep - 10 minutes Of Nature Sounds Mingling With Flute Melodies" radiates low energy from start to finish. Let the moody vibes of this track carry you away.