After being absent for an album, KORN returns to Roadrunner Records for the October 21 release of THE SERENITY OF SUFFERING. With a couple of singles already released, today comes the unleashing of “A Different World,” a new song featuring a guest appearance by Corey Taylor of SLIPKNOT and STONE SOUR. Check out the audio stream below, and be on the lookout for the official video which is forthcoming…