Ключевые слова: 1, 4, arrangement, bass clef, beam notes, book, classic, classical music, classical style, close up, document, elegance, f, flat note, full frame, in a row, macro, music, musical note, musical symbol, no people, page, paper, popular music concert, printout, score, selective focus, sheet music, singing, soft focus, sound, striped, symbol, traditional culture, treble clef, wolfgang amadeus mozart,