Does anyone know where this video was shot (in such-and-such's mansion's backyard, for instance)? I saw another video recently that looked like it was shot in the same place

Universal-McCann is on line one. You've got a job offer.

That's what seems strange - the Faceless are not supposed to have personal feelings for their victims, yet the Waif was definitely personally involved with this. My prediction: Arya staggers back to the temple, Jaquen kills the Waif, heals Arya, and releases her back into the wild.

They will be - apparently some of the bonus tracks were a little more trickier to track down and get licensed properly than the ones on LN.