DRUM IN GAZ (propane tank hank drum) Didgeridoo Sound Healing by Astarius Miraculii. Animal Sounds on Didgeridoo Demonstrated by Ryka Ali. Unreal: Mongolian Throat Singing. The Gongs "Harmony of the Spheres" The Pythagorean Monochords. PYTHAGORAS MUSIC ♫ HARMONIA. Rory and Jason harpejji duo. Weirdest instrument. The Pythagorean Monochords. Alex Jacobowitz - Turkish March. Fur Elise.