https://www.theguardian.com/world/2022/sep/04/korea-culture-k-pop-music-film-tv-hallyu-v-and-a

From music to movies, technology to food, the world has fallen in love with everything South Korean. Ahead of a big London exhibition, Tim Adams visits Seoul in search of the origins of hallyu – the Korean wave

Last week, I was standing in a huge dance studio – one of 12 – near the top of a funky new office tower just north of the Han River in the South Korean capital, Seoul. The building is home to a company called SM Entertainment, which has strong claims to have invented one of the most potent cultural movements of the 21st century, the phenomenon of Korean pop music – K-pop.