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, 0)
         else:
-            fl.program_select(c, sfid, list_of_MIDI_patches[c], 0)
+            fl.program_select(c, sfid, 0, list_of_MIDI_patches[c])
     for event in event_list:
         name = event[0]
         sample_len = int(((event[1] / ticks_per_beat) * tempo / (10 ** 6)) * sample_rate)
@@ -37,7 +37,10 @@ def synthesis(midi_opus, soundfont_path, sample_rate=44100):
             tempo = event[2]
         elif name == "patch_change":
             c, p = event[2:4]
-            fl.program_select(c, sfid, 128 if c == 9 else 0, p)
+            if c == 9:
+                fl.program_select(c, sfid, 128, 0)
+            else:
+                fl.program_select(c, sfid, 0, p)
         elif name == "control_change":
             c, cc, v = event[2:5]
             fl.cc(c, cc, v)