http://www.siliconera.com/2010/01/24/iosys-and-hudson-soft-releasing-collaboration-album-sung-by-master-higgins/
if you follow to this blog:
http://denpanosekai.blogspot.com/2010/01/iosys-and-hudson-soft-new-legend-begins.html
Then you will see a sampler video of the music.
:)