Ключевые слова: 40s, audio, club, clubbing, dance, dancer, dancing, design, digital, disk, entertainment, father, fun, glow, happy, innovation, jacket, led, light, lights, male, man, middleaged, midlife, music, night, nightclub, nightlife, parent, party, people, performance, person, professional, rhythm, smile, syncing, tech festival, technology, wearable, work life balance, yellow,