I mostly listen to black metal: post-black, atmospheric black, DSBM, black death, etc.
Favorites: Throane, Karg, Ulcerate, Draconian, Remina, Light Field Reverie (everything Heike Langhans), Harakiri for the Sky, Hermóðr, Selbst, Der Rote Milan, Mgła, Svartidauði, and Sinmara.
Also piano: Ludovico Einaudi, Dirk Maassen, and Dustin O'Halloran.