National Sawdust | Williamsburg, Brooklyn | Bureau V: From outside, this music hall for emerging New York artists looks like a typical red brick warehouse conversion in Williamsburg (although the wacky and colorful mural by Assume Vivid Astro Focus is a hint that this is not a normal space). Inside, the building’s shattered, crystalline geometries, shiny surfaces, and white glowing auditorium are a mesmerizing shock---in a good way.