frequency: unstable origin: unclear

https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://soundcloud.com/the-unbound-heretic&ved=2ahUKEwiUqJX4i66TAxWkU0EAHQ6uCS8QFnoECBwQAQ&sqi=2&usg=AOvVaw2vhvgoq-VkxR0h8eq8Mj2f