Sound of Metal is a pretty moody and slow-paced story about a person's relationship with his senses, in this case hearing.
The cast is great, the fairly dreary cinematography is crisp, and the moments of sound design to showcase the protagonist's experience was very interesting.
It points out a few interesting point-of-views for example regarding addiction, and it avoids some obvious potential story tropes.
It is missing something though to make this truly unique and memorable. As is, it is…