Why genres like K-pop and J-pop found huge fanbases in the West.

Why genres like K-pop and J-pop found huge fanbases in the West.
Five albums from past years that I discovered and came to love in 2017.
Looking at Satoshi Kon's magnum opus through the lens of my recent run-ins with idol culture.
In which I examine what makes J-pop acts Perfume, Kyary Pamyu Pamyu and Hatsune Miku uniquely special.