Ключевые слова: background, black, book, chord, classical, closeup, composer, composition, concert, design, harmony, instrument, instrumental, jazz, key, keys, learn, melody, music, musical, musician, nobody, note, notes, object, old, orchestra, page, paper, performance, piano, play, retro, roll, rolled, scale, school, sheet, sheets, sign, sonata, song, sound, study, style, symbol, symphony, texture, toned, vintage,