So this is turning into quite the summer for legendary British metal. Two Judas Priest shows and then Motörhead ! Motörhead! I’ve been grumbling for years about how metal bands hardly ever play in town, thanks to JAXX out in Springfield (and also lots of Baltimore clubs). Motörhead at the 930 Club makes sense, though, if partly because Lemmy and crew have a pretty substantial hipster following. I am no expert on the band, but it seems to me like they flit comfortably between a few different musi…