The Ponys play the Black Cat Backstage tonight with Jay Reatard. $10, Doors at 9 p.m. The Ponys are one of those buzz bands that seem perennially plagued with the “next big thing” tag. Hailing from Chicago, a city full of legends of all sorts and more than a few hype-worthy up-and-comers, theirs is a difficult task. But 2006’s Turn the Lights Out picked up where Celebration Castle left off and took it one step…

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…