Ключевые слова: 2010, activity, art, artist, audience, behind, classic, classical, concert, conductor, culture, cultures, direct, empty, entertainment, europe, event, famous, group, hall, harmony, indoor, indoors, instruments, live, melody, music, musical, musician, old, opera, orchestra, organ, people, performance, play, popular, seat, show, sound, space, spectator, stage, symphony, tchaikovsky, theater, traditional, view, violin, wand,