Britten - The Turn of the Screw twelve-tone theme tetrachords

Britten's twelve-tone 'Screw' theme [4]divides into equivalent tetrachords, each a segment of the circle of fifths: D-A-E-B, F#-C#-G#-D#, Bb-F-C-G. Created by Hyacinth (talk) 03:10, 7 January 2012 (UTC) using Sibelius 5.