Andy Martongelli, six-strings virtuoso and Guitarist of the Metal bands ELLEFSON and ARTHEMIS, releases the new video of the instrumental song “Army Of Darkness“.   https://youtu.be/27pwN6Z0WEU   Andy states: ” AOD is a fiery, melodic, dark song, a sort of soundtrack that combines many sides of me and the Music influences that inspired me through the years. I’m very …