your most haunting and atmospheric movie scores

Moon
The Assassination of Jesse James by the coward Robert Ford
The Road
Arrival
The Book of Eli
Take Shelter
Amelie

I'd have to say Psycho, 2001: A Space Odyysey and Silence of the Lambs.

Mica Levi's (apt) horror movie soundtrack for Jackie (2016):


Johnny Greenwood's work with PTA:

Yes, this is astounding. Awards will come thick and fast I expect.

The amount of brilliant soundtracks Joe Hisaishi has done is amazing. Loads of anime and most of Takeshi Kitano's films including my favourite - the soundtrack to Kikujiro

SONATINE