Ключевые слова: announcement, audience, audio, banquet, broadcast, broadcasting, business, ceremony, channel, communication, concert, conference, disc, dj, electronic, entertainment, equipment, event, jockey, karaoke, loudspeaker, meeting, microphone, mike, mixer, music, musical, news, people, performance, podium, public, radio, room, seminar, show, sing, song, sound, speaker, speaking, speech, stage, stand, studio, synthesizer, theater, vocal, voice, wedding,