八音遏密

Explanation: Octave: Ancient musical instruments in general; containment: to prevent; containing secret: that the emperor after the death to stop playing music. Stop playing various musical instruments. Refers to the head of state dies 　　Usage: The main predicate; as subject, predicate; means the death of the Head of State 　　Source: "Shangshu Shun Song": "people Rusangkaobi. III contains, universally contain dense octave." 　　Examples: Feng Zi-owned four-_set_ no later than the south, ~ grief. ★ Liu Yazi, "Sun Yat-sen Feng An Dadian mourning" Thesaurus:  Contain confidential Bayin