UPDATE: Polychord Ver 2 9 Adds AudioBus Performable. Recordable. Polychord 2. A musical instrument for experts and beginners alike. Write songs,... Read more In Apps, Midi Apps, Music Apps Blog, Synth Apps ipad app / iphone app / midi app / Polychord / Polychord Ver 2 9 Adds AudioBus / Synth App 0 likes0 views1 min