PJ Harvey’s back catalogue is a sight to behold. Over eight solo records, the woman hasn’t even skimmed the surface of a bad record. She’s toyed with a multitude of genres from Albini noise to electronica to English folk and fit into each with alarming ease. Yet in spite of her mercurial ability, she still finds a way to challenge her listeners, even this late in the game. Her previous album, Let England Shake, was a concept album the first world war as viewed through English folk music. Her latest LP, The Hope Six Demolition Project, is a vicious polemic…