It’s just snippets, but you can finally hear bits of the OST contributions by Thom, Bon Vincent, Grizzly House, Lykke Li, et al at Amazon. (Thanks for the tip, danidan.)
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The Thom Yorke track sounds promising.
Wow, the Grizzly Bear song and the Bon Iver/St. Vincent songs sound beautiful! And the Lykke Li song, sounds like the best I’ve ever heard from her.
I want that Thom Yorke song now!