Our sympathies go out to the handful of you who paid big bucks to score a copy of the Cold War Kids’ ultrarare Mulberry St. EP on eBay; your investment just depreciated a bit. The So-Cal indie outfit, which hit the studio last month to begin recording its next album, is now giving away its six-song debut release. Grab it at RCRDLBL.com. While you’re there, check out the first new material from Gang of Four in more than a decade. The UK postpunk legends are offering four demos from their upcoming digital EP free of charge. You don’t need a course in economics to tell you that supply and demand can be a beautiful thing in the digital era.