Riz Ahmed delivers a captivating performance as a heavy metal drummer that is beginning to lose his hearing in Sound of Metal. Within the film’s opening minutes Ruben (Riz Ahmed) is experiencing hearing loss. At the beginning, the loss is intermittent but as any musician knows from experience, it will only get worse. This is exactly what happens as the plot moves forward. However, technology has advanced to where Ruben is set on pursuing a…"AFI FEST 2020: Sound of Metal"