They could get different catalogue numbers. Release date for all three versions differ (that is expected though). Plus Ninja Gaiden Sigma 2 also has separate entries for JP/EU/US releases. And NGS2 EU & US collector's edition are completely the same, except for the different cover art.
I see no problem with DOA5 OST having separate entries as well, but do what you will.
Last edited by Efendija; Jul 3, 2012 at 04:07 PM.
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