I made a new set of car CDs for myself yesterday, and part of the collection is my playlist for Surgeburnt. It's incomplete, technically - some characters don't have songs, but beyond character specific themesongs, I have songs for specific relationships and several for the overall world and feel. I've already mentioned Mary Lambert's fantastic "Sum Of Our Parts" (both versions) as the strongest inspiration, but those aren't the only tunes in my general theme list.
Here are a few others that I felt reflected the attitude, the outlook, the worldview, or perhaps even could be taken more literally than they were intended, in a fantastic setting. The instrumentation and mood of the music itself applies as much as the lyrics:
Fairytale - Sara Bareilles (This version has a longish non-musical introduction, but it is infinitely superior to the faster, fuller version from Little Voice)
Stranger Than Earth - Purity Ring
Glory and Gore - Lorde