As the cold remnants of Hurricane Ida drenched the Mid-Atlantic, a few intrepid souls left the quotidian comforts of home to gather at the Black Cat for three sets of warm acoustic bluesfolk from Mimicking Birds, The Low Anthem, and headliners Blind Pilot. The lineup was assembled from across the US—the first and final hailing from Portland, OR, the median from Providence, RI. The main stage room was full and hazy with persistent, idle chatter. People dribbled in like wet rats.