Following in the footsteps of previous keynote speakers like Bruce Springsteen and Dave Grohl, former Pink Floyd singer-songwriter and bassist, Roger Waters will give one of the main keynote addresses at next year's South By Southwest Conference in Austin. The conference takes place March 13-22, 2020. Never one to mince words, Waters has spent much of his time the past few years touring the world with his Us + Them show which was heavy on political overtones. (watch below)