Mad about the girls
It’s not unusual to see a pop concert on TV where teenage girls and a group of middle-aged men are separated by safety barriers, as the glow sticks wave and the band’s name is excitedly chanted. But in Storyville: Tokyo Girls (BBC4, Tuesday), there was one fairly major twist: the teenage girls were the band, and the middle-aged men their swooning fans. As this jaw-dropping documentary explained, the girls in question are known in Japan as ‘idols’. Their songs tend to be about how demure and innocent they are; and to prove it, they often perform in school uniforms — although with skirts a lot shorter, I suspect, than is