Good concept, not so great instrumentation. To start out, the piano is nice, but the synth guitar (I think that's what it's supposed to be, maybe a flute?) carrying the main melody of the song is pretty weak. Also, the piano rythim is a little too slow compared to the original version, and seems to make the tempo of the song contradict itself. Considering that the first minute or 2 of the track is a straight-forward true rendition of the song, merely done in new instrumentation, the fact that the instrumentation wasn't too good made the song seem fairly boring.
Things pick up about 1:40 minutes in when the drums come in and the "real-sounding" electric guitar comes in. Its still sounds a little synth, kinda like the guitar in the OST version of the Lavos Final Battle song of CT, but I didn't really mind. It also becomes more interesting since he begins taking liberties with the original composition and doing new things with it. Unfortunately it didn't seem to do anything specific with it, it just kinda fooled around with different variants of bits of the tune. Pretty good instrumentation, but not much substance.
The length is nice, and it's cool to see how he tries different variations on the composition throughout the rest of the peice, it just doesn't seem to build up to anything. The melody feels like it's been cut up, shuffled and then hastily glued back together. I think I would have prefered it if the track was about half as long, and mainly consisted of the composition from the begining portion of the track paired with the instrumentation (especially the electric guitar) of the middle of the track. This way it would be more on par with the likes of Ailsean's Terra In Black and Steve Pordon's Mystic Forest.
Sorry if I seemed a little critical, just trying to be honest and give some sugestions.