When Ed Hamell decided he was done with bands, picked up a battered acoustic guitar, and decided to go it alone, he called himself Hamell on Trial. And whether he meant to or not, he set the scene for over two decades of confessional, confrontational, and apocalyptic music. Make no bones about it, when he gets on the stage, Ed Hamell is on trial. And we’re judge, jury, and executioner. With numerous brushes with mainstream acclaim under his belt, the New Yorker has managed to keep in underground for most of his career, but that acerbic style, calling to mind…