Teen pop is a subgenre of pop music that is created, marketed and oriented towards preteens and teenagers (ages 10 to 19). Teen pop copies genres and styles such as pop, dance, electronic, R&B, hip-hop, country, and rock. Typical characteristics of teen pop music include lyrics that focus on teenage issues (such as sexual or emotional love or relationships, finding yourself, friendships, coming of age, fitting in, and growing up) choreographed dancing, emphasis on visual appeal (photogenic faces, slender body physiques, immaculately attended hair and designer clothes), and repeated chorus lines along with a generally happy tune in the background. Since the late-1990s, Auto-Tuned vocals have been prevalent.