Britpop is a British pop music culture movement in the 1990s. Britpop is a way to demonstrate "Britishness" as a reaction towards US grunge music during that period of time.
The most recent pop music culture movement is done in South Korea. Kpop entered the Japanese market at the beginning of 21st century and rapidly grew into a subculture for teenagers and adults in Asia. Through social media and online services, Kpop has spread across the world even to western societies.