why is kpop so popular and dominating the world?

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1. They are trained for a long time Before becoming kpop idols, they must be trainees whose time is different Some can take several months to years They need to work hard to become k-pop idols. 2. Kpop's charming visual idol Charming kpop idol visuals make anyone fall in love with kpop idols. Kpop idols also have good fashion sense 3. Good song composition The composition of the song is dominated by edm songs, not only vocals but also rap in the song. In addition they also feature an interesting dance to see 4. Having a concept KPOP idols usually have a certain concept For example: btob with the concept of favoring the vocal and ballad genre Blackpink with the crush girl Twice with a cute concept And other concepts 5. A sizable investment Companies that claim kpop idols require quite a lot of money to make kpop idols. These costs include the needs for kpop fashion style idols, costumes, music video making costs, and other costs that cost a lot. The company certainly does not want to get losses and promote the group abroad. What's your opinion ?