Ключевые слова: 2, announce, announcement, audience, audio, background, black, broadcast, broadcasting, closeup, communication, concert, conference, dark, double, dual, duo, entertainment, equipment, event, gray, instrument, karaoke, media, meeting, metal, mic, microphone, music, musical, night, performance, pop, professional, record, rock, show, sing, singer, song, sound, speak, speech, stage, studio, talk, technology, twin, two, voice,