ScarletRhapsody

Artist : Iceon (Yuuhei Satellite)
Lyrics : Kamase-Tora
Vocals : senya
Album : The Time When You've Touched My Wet Hair

I really like this one. It's by Yuuhei Satellite, the same doujin group who sang the opening to the Touhou doujin "Fantasy Kaleidoscope ~ Memories of Phantasm"

This has to be the world's most detailed (and massive) rendition of Gensokyo. Ever.

107th time I've ever joined a forum, and actually posted.