靡靡之音

Explanation: Extravagant extravagant: weak, dispirited. People flagging music. Refers to the decadent, vulgar music. 　　Usage: Partial official; as subject, object; containing derogatory 　　Source: Qin Han Fei, "Han Fei had ten": "Shi Kuang said: 'This extension of the division made, and Zhou for the extravagant extravagant is fun.'" 　　Examples: Since then, the orchestra's emotional feelings instead of drums, the result is "~." (I have heard more than one "era singer") Thesaurus:  degenerate or decadent music (presaging national ruin)