Casual in attire and casual about the time, they enter the old, two-story frame house on Indianapolis's near north side. They are at home here, and help themselves to coffee or iced tea. A mother tries to settle her small children over coloring books at the kitchen table; two guitarists confer and tune their instruments; others enter and begin animated conversations punctuated by loud laughter. But there's an absence of small talk. Almost apologetically, the host herds the ten adults into the living room.