As promised to Luke, here's the answer to the puzzle.
which gives the following clue words
Going back to the puzzle's title, completing those lyrics will lead us to the answer.
See the line where the sky meets...
Now for the hints
I think I got it ! I know I'm late to the party... Still :
I agree with @Jafe, @Flying_whale and @AHKieran, see their answers for the Four Directions solutions.
I think you are
This is my first time answering here, but here's hoping to start something great !