Pythagoras knew this already 2500 years ago.
“In a theory known as the Harmony of the Spheres, Pythagoras proposed that the Sun, Moon and planets all emit their own unique hum (orbital resonance) based on their orbital revolution,” wiki
I suppose this may be close to a modern description of this “sound” originating in the gaseous emanations of the comet interacting with solar radiation and the solar wind.
:) — Yeah, I’m not sure he was wrong.