A drone created using a slide whistle.
A drone created using an overtone flute.
Howl number 3 from Shaggy the chinese crested.
Long buzzing sound, in a high key, at 120 bpm, on Reaktor.
The sounds of muffled signals somewhere deep in interstellar space.
recordings of a violin (performed by Poppy Crum) playing long sustained notes in various expressions; pitch, dynamics and express (normal, ...
A drone created using a human whistle.