Ключевые слова: art, audience, background, blue lights, bokeh, celebration, cell, club, concert, concert background, concert crowd, concert festival, crowd, dance floor, dancefloor, entertainment, event, festival, hall, hand, light, lights, live, live concert, live music, mobile, moblie phone, music, music concert, music festival, music show, musical, musician, night, night club, nightclub, party, people, performance, performer, phone, red light, scene, show, singer, smart, stage, stage lighting, stage lights, vocalist,