about diffname change: I come to know this song is a doujin work of 《月追いの都市》, a story full of sadness and fantasy. So I changed diffname to "Elthia" (the heroine's name)
talked with mapper via irc about some snapping choices and i find them acceptable but we're open to more discussion too
Metadata: http://tieleaf.net/ng/sb.cgi?eid=66