The music world has been reacting to the death of founding Slipknot drummer Joey Jordison, and tributes have been pouring in from fellow musicians, including Slayer's Dave Lombardo, Anthrax, Code Orange, HEALTH, Thundercat, Frank Turner, Knocked Loose's Isaac Hale, Screaming Females, Trivium, Hatebreed's Jamey Jasta, Mike Portnoy, The Black Dahlia Murder's Alan Cassidy, Underoath's Chris Dudley, Devin Townsend, and many others. Slipknot themselves simply posted a plain black square in his honor. See tributes below...