Hey Alex K, I absolutely loved Tchaikovsky's piece, it's beautiful and I love how it starts slowly and picks up. As for the first one, well the sound is extremely familiar and I've heard it several times in movies, I enjoyed it as well, very powerful
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you