diff --git a/tulip/shared/py/midi.py b/tulip/shared/py/midi.py
index 529a2031..3b2cdcb3 100644
--- a/tulip/shared/py/midi.py
+++ b/tulip/shared/py/midi.py
@@ -44,6 +44,8 @@ def add_synth(self, channel=1, patch_number=0, num_voices=6):
             self.release_synth_for_channel(channel)
             synth_object = Synth(num_voices=num_voices, patch_number=patch_number)
         self.add_synth_object(channel, synth_object)
+        # Return the newly-created synth object so client can tweak it.
+        return synth_object
 
     def insert_arpeggiator(self, channel, arpeggiator):
         if channel in self.synth_per_channel: