Jóhann Jóhannsson is an Icelandic composer who created the moody, evocative score for the intense law enforcement drama, "Sicario." Previously, he wrote the score for the Stephen Hawking film, "The Theory of Everything." It was a pleasure to speak with him about the way the bleak settings and the emotions of the characters influenced his composition and how he used the music to help build the tension of some of the most intense scenes.
This was his second collaboration with the director,...