Ben Johnston: String Quartet No. 2, 3rd movement: Deviations in the retrograde inversion

The movement is designed as a retrograde inversion of itself. However, the mirroring is not always correct in terms of microintervals. The table shows the individual deviations.该乐章被设计为自身的逆行倒置（retrograde inversion）。然而在微音程（microintervals）层面，该镜像变换并非总能保持准确。该表格展示了各分项的具体偏差。