The multi-Oscar-nominated Sound of Metalstars Riz Ahmed as a heavy-metal drummer whose life is in freefall after losing his hearing. Ahmed learned to play drums for the part. And he learned American Sign Language. And he learned to perform with white noise in his ears. However, he did not have to learn how to be riveting because, if you’ve followed his career, you’ll know he’s been that since day one, and he is magnificently, powerfully, heartbreakingly riveting here.