"The Victory of the Boyne" is an epic and triumphant anthem in the key of G major, blending elements of folk and rock genres. The song carries a strong and determined mood, with a driving tempo and energetic instrumentation. The lyrics vividly depict the historic Battle of the Boyne, with references to banners flying high, cannons roaring, and swords clashing. The chorus is powerful and uplifting, urging every loyal heart to celebrate the divine victory and the preservation of faith and crown.