MONDAY >> If you like your electroclash sample-free, head to the 9:30 Club for Liverpool’s Ladytron. $20 >> Not quite sure what to make of it, but the Bodog Battle of the Bands rolls on this Monday and Tuesday at DC9. $15 each night >> The last time Architecture in Helsinki came to the Black Cat, they tested the stage’s human-holding capacity. Though Lambchop and the Tosca String Quartet may have given them a run…