Ключевые слова: acoustic, adult, art, caucasian, cello, chairs, classical, composition, concentration, concert, creative, cultural, dressed, elegant, ensemble, event, expression, focus, formal, harmony, instrument, jacket, live, male, melody, music, music stand, musician, notes, orange, orchestral, passion, performance, playing, professional, rehearsal, seated, skill, stage, strings, symphony, talent, wood,