Ключевые слова: abstract, audience, audio, auditorium, background, blue, broadcast, chrome, closeup, communication, concert, disco, entertainment, equipment, event, gas, hall, karaoke, lights, live, metallic, mic, microphone, mike, music, musical, party, perform, performance, polandmicrophone, pop, professional, rock, shiny, sing, song, sound, speak, speaker, speech, stage, stand, station, studio, technology, voice,