Update midi_synthesizer.py

midi_synthesizer.py

@@ -24,7 +24,7 @@ def synthesis(midi_opus, soundfont_path, sample_rate=44100):
         if c == 9:
             fl.program_select(c, sfid, 128)
         else:
-            fl.program_select(c, sfid, list_of_MIDI_patches[c])
+            fl.program_select(c, sfid, list_of_MIDI_patches[c], 0)
     for event in event_list:
         name = event[0]
         sample_len = int(((event[1] / ticks_per_beat) * tempo / (10 ** 6)) * sample_rate)