Mystique tends to encircle the Detroit hardcore collective known as The Armed, but that’s not the only draw.   The group’s music—including their latest full-length album, ULTRAPOP, an April release from Sargent House—lands like little else. The Armed mash galloping hardcore together with disorienting blasts of pop, crafting a sound that feels like a blissfully delirium-inducing carnival ride that just doesn’t stop.  [...]