https://www.nytimes.com/interactive/2018/08/29/magazine/riz-ahmed-actor-rapper-venom.html

A few weeks later, we met in Boston. Ahmed was running late, having spent all day on the set of the forthcoming film “The Sound of Metal.” In it, he plays a rock drummer who is losing his hearing. He had been learning sign language, practicing drumming and, as he does, just generally molding himself into the role — or rather, accessing the part of him that already was the role.