Sweden’s Pain of Salvation move another step closer to the release of their upcoming new studio album PANTHER, due out August 28th, 2020 worldwide via InsideOutMusic.  Today, the Progressive Metal/Rock innovators launch their new single RESTLESS BOY, in the stunning video, scripted/directed by Lars Ardarve and Daniel Gildenl?w and filmed/edited by Lars Ardarve, which can be seen…