I'm 58, and have, in my long and storied career as a semi=professional "drug dabbler" and regular concert goer can say' without hesitation, that the most chill, friendly, non-heavy drug-using, least drama/violent crowds I've ever been a part of, were the many hip-hop shows I've attended (the most recent was Snoop et al at Rupp)
I went to see Method and Redman in Louisville several years ago, and I wasn't the only cracker in the audience, but it was pretty fvcking close. And I could not have been treated any friendlier. They seemed to get a kick out of a middle aged "white as they come" dude, digging on the music. I knew the lyrics, and clearly wasn't a bandwagoner (half of the audience was probably in pampers when Dare is a Darkside came out.
So, for my two cents, I just wanted to stick up for hip hop audiences because I have yet to experience any drama at one of those shows.
Big country acts, OTOH.... well, head on a swivel, and mouth shut, and even at that, you face decent odds of having to deal with, or diffuse a situation once you go through the gate.
immature drunk white guy (and I speak from experience) is WAY more trouble/volatile than your average hip hop concert goer.