Photographed by David Needleman by Tatiana Siegel January 19, 2021, 6:00am PST With his buzzy performance in 'Sound of Metal' — which required him to learn sign language and drumming — plus a new wife and a booming company, the soft-spoken actor and rapper is having his loudest year yet. Back in summer 2018, Riz Ahmed was preparing for a classroom scene for his latest film, Sound of Metal, and his American Sign Language coach, Jeremy Lee Stone, was becoming increasingly annoyed. Stone had worked with the actor for the better part of a year, teaching him ASL for the role of Ruben, a roc...