Kevin Macdonald‘s Black Sea, which hits U.S. theaters this week, features top-notch acting and, like the submarine, is air-tight, but music is also another highly effective component to the thrilling story. In addition to pulse-pounding sounds and pensive themes, British composer Ilan Eshkeri also adds a thick layer of humanity to the story about about greed, hard metals and icy depths. Best known for his film scores to Stardust, The Young Victoria and Kick-Ass, as well as his collaborations with recording artists and his concert work Eshkeri’s career is notable for its diversity; recently Eshkeri scored Still Alice starring Julianne Moore, Alec Baldwin and Kristen Stewart, 47 Ronin starring Keanu…