DROPKICK MURPHYS Signed and Sealed in Blood [Domino] If the title of Dropkick’s last album, Going Out in Style, hinted that the Boston Celtic-punk band’s career was over, this one’s rousing opener, “The Boys Are Back,” sets the record straight. It’s a foot-stomping rallying cry, cut with whirring bagpipes. Whereas Out in Style centered on a fictional character, Signed and Sealed finds the septet telling personal tales wrapped in frenzied...