Favourite Instrumentals/"Songs without lyrics"

All of the Last of Us Soundtracks. Absolutely love the music!
https://www.youtube.com/watch?v=VBQ8FBfhvsE

and this
https://www.youtube.com/watch?v=SZUcEmREZ9Y

I'd say Orion - Metallica

This is one of my favorite instrumentals. Yiruma's River Flows in You.
https://www.youtube.com/watch?v=7maJOI3QMu0

https://www.youtube.com/watch?v=CayOFzuMvsg

Or pretty much anything off the Halo 3 soundtrack. Gorgeous.