Plunderphonic 作曲 is a 特定 radical 形（曲）式 of 拼贴 in which all 材料 have been appropriated from existent 樂/乐 It is a politically motivated 风格 which is focused on the 概念 of 自由 采样 and challenging 感知（认为） hypocrisy of 樂/乐 copyright 定理 The 术语 is 派生 from the seminal CD by John Oswald called 掠夺之声