thank you @brain-walker , glad you like. but i'm afraid the thing you talk about is :
SharKyyo 3 weeks ago
ahahah @cluless. , if you talk about the sound starting the track and going on the whole way, it's the real sound of the comet 67P/Tchourioumov-Guérassimenko recordeb by the probe, not a synth :D.
But yeah I agree, this comet as an insane talent ;)