According to the legend that originated the number, Changgong GAO was a great commander who was capable of defeating a massive enemy force just by 500 horsemen to surround Rakuyo (Luoyang).
この曲の由来となった伝説によると、高長恭はわずか五百騎で敵の大軍を破り洛陽を包囲するほどの名将であった。