Ключевые слова: 404, akai, audio, audio equipment, audio mixer, beat machine, beat maker, beat making, beat music, composer, controller, digital, disc jockey, dj mixer, drum machine, drummer, drumming, electronic, electronic music, hip hop, hip hop dj, hip hop party, hip hop producer, hood, instrument, keyboard, machine, midi, midi controller, music mixer, musician, p404, pad, pad controller, party dj, play, play music, polo sport, producer, production, professional, ralph lauren, remix, roland, sound mixer, sp 404, street, studio, technology,