Whispers/humming/buzzing and bouncing "objects" in the dark

0:00 look at the bright light, there's a huge face and the light looks like it's coming from its mouth; another one just on top of it; and another to its R 0:08 R/mid side watch the greyish stuff, there's a grey head center of it that seems to be moving to the R side; 0:22 put your headphones on or turn the volume high. There's a low-pitch sound that sounded like a buzzing/humming; 0:42 - there's a small greyish round-shaped object that flies from R to the L 0:43 R side/mid there's a big grey-face - can even see its eyes and nose! 0:49 L side, the same bouncing greyish object now going towards R, but hovers to where the bright light is first; 0:53 R/bottom same round object flying around ... https://www.youtube.com/watch?v=gif-G7Eoqzo