PC Music have announced details of their new ‘Vol. 3’ compilation, featuring Charli XCX, Clairo and Caroline Polachek among others.Arriving nearly six years after the label’s ‘Vol. 2’ compilation, the new record will come out on May 13.The following month, PC Music will host a special label showcase at the newly reopened KOKO venue in London.Others included on the album are Hannah Diamond, Tommy Cash, A.G.