Shiro Hamaguchi (#125)

[LiquidAcid]

I recently watched the animation "The Princess and the Pilot" / とある飛空士への追憶 by Madhouse and noticed afterwards that the music seems to be composed by Hamaguchi (see the japanese Wiki entry for reference).

Does anyone know if there exists a soundtrack release for this one, or if something is planned? So far I've found nothing about it, which seemed a bit strange to me.

EDIT:
The only thing I found on Amazon.co.jp is the ending theme single:
Link