Ключевые слова: antique, art, background, beat, button, classical, clock, contour, control, equipment, flat, green, icon, illustration, instrument, isolated, line, linear, lineart, long, mechanical, metronome, motion, music, musical, object, old, outline, pendulum, psychology, retro, rhythm, scale, shadow, sound, square, swing, symbol, tempo, tick, time, timer, vintage, white, wood, wooden,