There’s only one Cincinnatus in the Cotswolds, and it’s not Boris Johnson. Over the Rainbow tells the story of how, once again, Alex James was torn from his life in a very big house in the country to fulfil his national duty to play bass with Blur. The tale comes in the form of a diary, like Brian Eno’s wonderful A Year with Swollen Appendices, except that this is a year with inflated egos.