Search Zuntata, add EAC ('lossless' in Japanese's notation), Darius on PerfectDark, You should find your needs.
For Operation Manual, Go to perfectdark.benri-tools.net to read. I guess you should be able to read.


File name noticed:
1. [EAC](ゲームサントラ)DARIUS ダライアス外伝 [PCCB-00166](ape+cue).rar
2. [EAC](ゲームサントラ)ZUNTATA - G-DARIUS ORIGINAL ARCADE SCORE[ape+cue+log_rr2%].rar