As English is not my mother tongue, I need someone to explain the phrases "getting it" and "adequate mantra" in the following paragraph:
Their shows are sold out within 10 seconds after they go on sale, completely breaking the old notion that it‘s impossible to wield success solely off rap in Korea.In the purest sense, Dok2 and The Quiett are Korea's first real, rap superstars. Young, rich, and getting it, is an adequate mantra for these two indie rap bosses.