Ключевые слова: abstract, art, bright, button, classical, clef, club, colorful, composition, concept, design, disco, electric, element, flat, glow, glowing, graphic, icon, illuminated, illustration, key, light, line, linear, lineart, melody, music, music lesson, music school, musical, musical notation, neon, night, note, outline, piano, play, shape, sheet, sign, song, sound, style, symbol, treble, tune,