Nose to the Grindstone

I don't know how it works for you, but when I listen to headphones while I study, most of the music just sort of disappears into background noise. This is not to say that what is on doesn't matter. In fact, the music is crucial because it sets the tone of the studying, but it is not specific.

Then, every once in a little bit, I find that I can no longer see the page, I only hear the music and I break away for the remainder of the song...

THESE ARE THE SONGS:

Note that they mostly come from a very specific subset of my taste.