Holus Bolus, the one-man band from our neighbor to the north Crescent City, is a fine small-room act. A little bit country, twang, folk and space jams, this mysterious stringer has perfected the art of filling a space with the musical equivalent of a fog machine playing aural bursts of curling ambience. Come find out what I am going on about at The Mad River Brewery tasting room tonight at 6 p.m. There is no cost but you will likely quaff or nosh, personal tastes depending.