DESCRIPTION:
The song "Demise of the Ritual ~Battle With the Colossus~" from the game "Shadow of the Colossus"
It can be downloaded for free at http://www.vgsynth.com/shadow-of-the-colossus.html

Support this channel on Patreon: http://www.patreon.com/vgsynth

The program being used is called Synthesia.
It can be downloaded for free at http://www.synthesiagame.com