Mid-90s orchestral fantasy scoring that takes itself completely seriously and is better for it. The Heroic Legend of Arslan's best-of pulls from the OVA series and the compositions go full Persian-influenced epic. "One of the Genesis" opens with this sweeping brass and strings arrangement that sets the scale of a kingdom at war.
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"Ikoku Sakyuu" brings in Middle Eastern melodic modes over driving percussion, and it genuinely sounds like desert cavalry charges. "Outo Enjou" burns with this urgent intensity. The whole collection leans into classical film scoring traditions that most anime of the era wasn't even attempting.
If you love Arslan and haven't gone back to the 90s OVA music, the orchestration here puts most modern anime scores to shame.