Ключевые слова: adult, audience, back, background, beard, businessman, casual, caucasian, clothing, clubbing, concert, dark, equipment, event, illuminated, indoors, instrument, lifestyles, lighting, lit, looking, males, man, men, multiple, music, musical, musician, night, nightclub, nightlife, occupation, one, party, performance, person, popular, professional, rear, social, space, stage, standing, technology, televisions, view, working, young,