Just found out about Béla Tarr, that’s no age to leave us. I’m the proud owner of the Curzon Tarr boxset, but (much like Antonioni) it takes some stamina to sit down to a one of his films. I’ve seen the three that Thor mentions above (love Werckmeister Harmonies in particular) plus The Man From London.
One of the things I like most about the films are the scores by Mihály Vig. Mournful, hypnotic and artisanal, they could hardly be more different from the usual Hollywood composers. I listen to it a lot on YouTube.