Ключевые слова: abstract, abstraction, appearance, back, background, base, colour, concerto, electric, gentile, gradient, grand piano, group, hand, holiday, illusion, invoice, keys, light, logo, melange, mirror, montage, motion, music figure, net, note, orchestra, paint, pattern, picture, plan, play, potting, processing, reading desk, running, scene, shade, sing, song, sound, substrate, success, texture, timbre, tone, transparent, treble clef, tune, tuning, wallpaper,