Ключевые слова: 20s, black, casual, caucasian, celebration, cellphone, communication, connection, dialing, entertainment occupation, fan, female, focus shot, gray, holding, leisure, lifestyle, long hair, mobile phone, musician, occupation, performance, performer, performing arts event, phone, popular music concert, rock music, rock musician, skill, smartphone, stage light, standing, text message, text messaging, texting, together, touching, typing, using, wall, wireless, wireless technology, woman, young adult, youth culture,