Ключевые слова: audience, audio, auditorium, background, blue, blur, broadcast, business, chrome, closeup, concept, concert, electronic, entertainment, equipment, event, festival, hall, karaoke, light, lightshow, live, metallic, mic, microphone, mike, modern, music, musical, performance, podium, rock concert, show, sound, space, speaker, stage, stand, technology, theater, voice,