Ключевые слова: audio, background, black, board, button, compact, composer, control, creativity, digital, electric, electrical, electronic, entertainment, gray, harmony, hobbies, horizontal, instrument, isolated, key, keyboard, knob, melody, midi, music, musical, musician, nobody, octave, one, pad, panel, piano, plastic, play, professional, program, red, sound, sustain, synth, synthesizer, technology, tempo, tune, up, volume, white,