K-pop : an abbreviation for Korean Pop, specifically from South Korea. Many of these artists and musical groups have branched out of South Korea and have become popular in many countries around the world. The popularity of K-pop is often considered a part of the rise of the Korean Wave, the recent surge of popularity of contemporary South Korean culture in Asia. – Wikipedia
So the new sub-culture of pop music has been made and affirmed. We go beyond Sandara Park, K-pop as a genre is surely gaining a continuous momentum.