Ключевые слова: abstract, art, audio, background, black, book, brown, classic, classical, clef, compose, composition, concert, cover, decorative, design, element, key, letter, lines, melody, music, music notes, musical, notation, note, notes, old, page, paper, pattern, performance, piano, play, read, retro, rhythm, sheet, sign, sonata, song, sound, stave, style, symbol, symphony, texture, treble, tune, vintage,