Ключевые слова: ballet, bartok, bela, classical, composer, correspondence, culture, ethnomusicology, famous, folk, history, hobby, hungarian, hungary, legend, mail, man, music, musician, old, opera, philately, photo, photograph, pianist, piano, player, popular, portrait, post, postage, postal, postmark, retro, romantic, send, sonata, stamp, star, success, successful, symbol, unated states, vintage,