Can Someone PLEASE Tell Me The Name Of This AMV's song? (Link in details)

The song's name is "River flows in you", but the সঙ্গীত in the video is a remix.

Here's the original: link

Here's the remixed song they used in the AMV: link

It's River Flows in আপনি দ্বারা Yiruma, and it's really fun to play on the পিয়ানো :P