This fourth journal issue of Divergence Press is a selection of papers given at the Beyond Pythagoras Symposium held at the University of Huddersfield’s Centre for Research in New Music, 21-23 March 2014. The symposium sought to explore new trends in the sonic arts and experimental electronic music particularly new tuning systems, post-acousmatic and post-digital aesthetics, as well as the re-embodiment of sound production and listening