The opening lyrics 'I have so far to go' establish the concept of facing war while exposing a motif featuring in the ending vocal theme. Bodyĭespite its brevity, 'Shattered Skies' is an effective title theme for the game. But before looking at that, let's get started. While maintaining the flavour of a Hollywood spectacle, they packed it with plenty of diversity too, including plenty of rock influences, electronic undertones, and even a vocal closer. While returnees Tetsukazu Nakanishi and Hiroshi Okubo crafted much of the soundtrack, new composer Keiki Kobayashi made the most defining contributions. The resultant soundtrack was ideal for both representing the WWII-influenced storyline and the intense combat scenes.

Though it featured many changes from its predecessor, one of its most significant and influential was the score, which focused more on orchestral epics than futuristic electronica. Ace Combat 04: Shattered Skies was the most successful game in the flight simulation series both commercially and critically.

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