Try local folder and look for other sound font locations.

.ipynb_checkpoints/app-checkpoint.py

@@ -35,9 +35,9 @@ print(os.getcwd())
 # subprocess.run(['cat /root/packages.txt'], shell=True)
 
 
-# subprocess.run(['apt-get install fluidsynth'], shell=True)
-# results = subprocess.run(['find / | grep "fluidsynth"'], capture_output=True, shell=True)
-# print(results.stdout)
+# subprocess.run(['apt-get install fluidsynth'], shell=True)  # do not have the right perms
+results = subprocess.run(['find / | grep "fluidsynth"'], capture_output=True, shell=True)
+print(results.stdout)
 
 # subprocess.run(['PATH=$PATH:~/opt/bin'])
 # subprocess.run(['PATH=$PATH:~/opt/bin/fluidsynth'])
@@ -48,7 +48,7 @@ def process_midi(midi_file):
 #     stream = midiFileToStream(midi_file)
 #     output_wav = play_wav(stream)
 #     FluidSynth("../usr/share/sounds/sf2/FluidR3_GM.sf2").midi_to_audio(name, 'test.wav')
-    FluidSynth().midi_to_audio(name, 'test.wav')
+    FluidSynth(".fluidsynth/FluidR3_GM.sf2").midi_to_audio(name, 'test.wav')
     return 'test.wav'
 
 iface = gr.Interface(

app.py

@@ -35,9 +35,9 @@ print(os.getcwd())
 # subprocess.run(['cat /root/packages.txt'], shell=True)
 
 
-# subprocess.run(['apt-get install fluidsynth'], shell=True)
-# results = subprocess.run(['find / | grep "fluidsynth"'], capture_output=True, shell=True)
-# print(results.stdout)
+# subprocess.run(['apt-get install fluidsynth'], shell=True)  # do not have the right perms
+results = subprocess.run(['find / | grep "fluidsynth"'], capture_output=True, shell=True)
+print(results.stdout)
 
 # subprocess.run(['PATH=$PATH:~/opt/bin'])
 # subprocess.run(['PATH=$PATH:~/opt/bin/fluidsynth'])
@@ -48,7 +48,7 @@ def process_midi(midi_file):
 #     stream = midiFileToStream(midi_file)
 #     output_wav = play_wav(stream)
 #     FluidSynth("../usr/share/sounds/sf2/FluidR3_GM.sf2").midi_to_audio(name, 'test.wav')
-    FluidSynth().midi_to_audio(name, 'test.wav')
+    FluidSynth(".fluidsynth/FluidR3_GM.sf2").midi_to_audio(name, 'test.wav')
     return 'test.wav'
 
 iface = gr.Interface(