The members of Widespread Panic seem to have contented themselves with the notion of the bands audience being exactly what it is. Given the records theyve issued in the last couple of years, they no longer seem ambitious about growing to reach anyone else. (For one thing, when was the last time the band did a studio recording?) This is too bad, because the world of popular music is almost always one of diminishing returns: if a band has no ambition, many of its own fans will eventually grow ti