Ключевые слова: acoustic, art, communication, concert, country, culture, design, drum, earphones, electric, equipment, folk, guitar, headphones, icon, illustration, instrument, isolated, melody, moscow, music, musical, musician, national, note, object, operator, orchestra, percussion, play, red, rhythm, rock, russia, russian, service, set, sound, stereo, string, symbol, toy, traditional, treble, tuning, white,