Ключевые слова: audience, audio, background, black, broadcast, closeup, communicate, component, concert, control, digital, electronic, entertainment, equipment, event, home, instrument, karaoke, live, media, metal, mic, microphone, music, musical, object, perform, performance, pop, popular, power, professional, radio, record, rock, show, sing, singer, sound, speak, speech, stage, stand, stereo, studio, technology, vocal, voice, volume,