"Download" with your credit card on Feb 22:
http://www.cdjapan.co.jp/(one_line)/...tml?KEY=GNCX-1
Official download of short version of the game music:
http://www.typemoon.com/download/tmc-1001_01.wma
PS: Hrm... looks like Geneon has yet another 4-character label, "GNCX," now...