Most come to DC9 expecting – to some degree – a warts and all show that leaves a little to be desired. One thing you don’t tend to expect is the kind of polish that came from The Hatch last night. Formed at Washington University in St. Louis, relocated to L.A. to record and practice, they’re now calling New York home, hunkering down in an apartment/rehearsal space and starting a residency at Piano’s next month….