There was a time when black and death metal were considered the same thing. Those days are no more. However, these genres have melded quite often and have remained kindred. Tonight’s gory revue was an opportunity to examine and celebrate that. In one corner, hailing from Austria, we had the occult death/black metalists known as Belphegor snorting brimstone and kicking with cloven hooves. In the other, hailing from Long Island, it would be the baseball...