It just loads this https://somafm.com/groovesalad/
Oh yeah the ATC radio is also directly from liveatc.net servers, which says on their site: "NOTICE: Third-party use of LiveATC live audio streams is prohibited." and this site probably violates many points on https://www.liveatc.net/legal/ (unless, OP did get their permission to do this...).
Soma rightfully seem to have just enabled CORS though after seeing this traffic spike.
Edit: And now OP just started proxying around it, hilariously adversarial when embedding a donation-based service.