GWAR are streaming a previously unreleased song titled “Tammy, The Swine Queen.“ The track, which features the band’s late frontman Dave Brockie (aka Oderus Urungus), is from the newly released 10th anniversary edition of “Battle Maximus.” Blöthar The Berserker commented: “Musically, ‘Battle Maximus’ is a great debut work by Pustulus Maximus, and lyrically, it is…