An "Idol Singer" is a performer who is part of a popular music genre, often associated with K-pop or J-pop. These artists typically undergo rigorous training in singing, dancing, and performance skills before debuting. They are often part of a group or band and are known for their polished image and catchy songs. Idol singers usually have a dedicated fan base and participate in various promotional activities, including concerts, television appearances, and social media engagement. Their success is often measured by album sales, streaming numbers, and fan interactions, making them influential figures in the music industry.