Specific subsubgenres of hardcore metal are listened to almost exclusively by honest-to-God neo-Nazis who in many case had the Richard Spencer Trump 2016->blackpill 2020 progression, but if we're going with mainstream Republican genres, yeah, dead0man gave a great answer.
There is no such thing as "hardcore metal". Hardcore and metal are completely different genres. The closest thing to that would be metalcore, which is obviously not the answer or Republican at all. (I suppose you could also make a case for crossover thrash bands like Municipal Waste falling under such a category too, but considering Municipal Waste's infamous Trump shirt how much of a Republican audience they have is quite obvious.)
I'm using "hardcore" in its widely accepted colloquial, adjectival sense, not as a minutely delineated genre descriptor that's mutually exclusive with metal.
Soundcloud rap because of toxic themes alongside popularity as well
ayy lmao
