Ключевые слова: 7, audio, beat, calculation, color, company, connection, creative, design, digital, dj, electricity, emblem, equalizer, frequency, gradient, icon, idea, identity, illustration, level, logo, math, modern, music, musical, nightclub, number, number 7, play, pulse, radio, record, score, seven, shape, sign, signal, song, sound, stereo, symbol, system, tech, track, tune, voice, volume, wave, waveform,