Ключевые слова: abstract, acoustic, antique, art, background, black, classical, classics, composition, concert, dark, ensemble, exercise, group, guitar, hobby, key, learn, lines, melody, music, musical, musical tempo, note, notes, old, page, paper, piano, practice, retro style, rhythm, school, score, sheet, sheet music, solo, song, sound, study, symbol, tone, treble clef, vignetting, vintage, violin, violoncello, writingbook, yellow,