The song that I seem to be replaying a lot recently? Björk's "It's Not Up to You" (lyrics here) from her gorgeous album "Vespertine" (at Amazon).
I think it's one of her best songs, and really captures sort of where my head and heart are at the moment. So, I wanted to share it.
Here is a video of her doing the track live at the Royal Opera House in 2002 (DVD available at Amazon):