(via oddly amazing and GORILLA VS. BEAR, two fabulous music blogs that introduced me to the song). Explicit language warning at 0:07. jj is a Swedish dream pop band, kind of like Beach House with some heavier beats and added eerieness.
I know there's already been a fair amount of hype on the web about this track and her new mixtape, but after a few listens, I couldn't stop myself. The video was posted a couple days ago and the track can be downloaded for free here; an early Christmas present I can definitely appreciate.