Ключевые слова: 20s, audience, caucasian, celebrating, celebration, cellphone, club, clubbing, communication, concert, connection, crazy, crowd, dancing, enjoyment, entertainment, enthusiast, enthusiastic, event, fans, fest, festival, focused, fun, group, insane, joy, live, lunatic, male, man, maniac, memories, millennial, mobile phone, music, musical, nightclub, participation, phone, photo, photographing, rock, rock and roll, rock concert, rockers, rocking, spectators, wireless technology, young adult,