Heh! I almost called mine "Hymn of the White Dragon."
I went with song because it wasn't totally hymn-like, even though it has a lot of elements of sacred music since I was going for a vibe of the dragon being a demigod. Flute is actually one instrument I'd consider adding to mine, though I would want to opt for a wooden flute with a more rustic timbre.
Anyways... I like that your voice actually sounds like a chant. The first track being real voice + instruments is great. I genuinely thought "oh, he found a nice VST for Byzantine chanting," then I read that you did your own voice.
Well done! :)