Available on vinyl for the first time! Limited edition of 1000 individually numbered copies on yellow coloured 180-gram audiohile vinyl in a gatefold sleeve. The English rock group Pure Reason Revolution (often abbreviated as PRR) is known to incorporate elements of progressive rock and electronic in innovative and surprising ways. Their third studio album Hammer And Anvil continued the dark, electronic themes of predecessor Amor Vincit Omnia, while maintaining a progressive rock thread.