Babymetal have been a phenomenon in Japan for a long time now. Following on from the girls graduating from the Sakura Gakuin idol academy (15 is the age they leave), they have continued to attract legions of fans - but now on a global scale.
This year they have attracted attention from the rest of the world and have just recently played their first UK and US tour dates. At each one, they have become huge talking points and managed to win over fans from a whole different culture.
For those fans, new to the band and to the concept of idol music there is a hell of a lot to take in. So we've created a short list of need to know stuff for those jumping in.