crystal,
amethyst,
atmospheric,
aetherial,
clear,
pure,
hum,
‑noise,
‑reverberation,
‑grunge,
‑scream Opera,
Masculine Vocals,
Drone folk,
avant-garde jazz,
guttural chants,
bowed cymbals,
distorted harmonium,
overtone singing,
theremin swells,
polyrhythmic drumming,
melancholic guitar feedback 
