先秦历史散文《左传·襄公二十九年》,大篇幅地记载着吴公子札问聘鲁国期间的观乐之感。他大体上认为 ,诗歌音乐具有时代性 ,不同历史阶段产生不同类型作品。西汉人的《毛诗序》,则明确指出文艺作品的风格、基调的形成 ,与国势的盛衰有关 :“治世之音安以乐 ,其政和 ;乱世之音? The historical essay “Twenty-nine Years of Zuo Xianggong” in the pre-Qin period chronicles the sense of concept of Wu during his stay in Lu State. He generally believes that poetry music has the characteristics of the times and produces different types of works in different historical stages. The Western Han people’s “Mao Poetry Preface” clearly states that the style and keynote of the literary and artistic works are related to the rise and fall of the national potential: “The sound of peace, its politics and the chaos of the world?”