I'm pretty sure it was on Orchestral Game Concert 4 preformed by the Tokyo Symphony Orchestra. All of my music is barely organized into an archaic system of folders, and after the great music purge of '06, many files were lost and spread through out the land. So, I'm not 100%, but there is a live performance of the opera on that album, and the length of the songs seem to match.
The only thing I don't like is that the singing in Japanese sounds odd at first, but you get used to it. It would have been better in Italian like on the album Grand Finale..
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