Ключевые слова: applauding, art, audience, back, band, camera, celebration, cheerful, club, concert, crowd, dance, digital, disco, discotheque, entertainment, event, festival, fun, group, hand, happy, holding, human, illuminated, light, live, mobile, music, night, nightlife, party, people, performance, phone, phones, photographing, pop, popular, recording, rock, show, silhouette, smart, social, sound, spectator, stage, star, technology, telephone, video, youth,