In my experience with smaller outdoor psy-trance parties they've tended to go with Opus rigs, but when I've been to the Ozora Festival in Hungary where they mig

In my experience with smaller outdoor psy-trance parties they've tended to go with Opus rigs, but when I've been to the Ozora Festival in Hungary where they might have ten thousand people dancing in a valley, it's the sort of long-throw J-rigs the article talks about.