Friday, July 6 // 8-10pm at Machine Project In overlapping performances, Colin Dickey, Nicole Antebi and Chris Kallmyer will explore the difference between two rival pitches, 440 Hz and 432 Hz: Colin Dickey will trace the history of the war for correct musical tuning, a debate that’s raged for two centuries and has involved the Nazis, French government, BBC, Lydon Larouche, and new age