Update app.py

app.py

@@ -59,10 +59,11 @@ with gr.Blocks(title="🎹 MIDI-AudioLDM", theme=gr.themes.Base(text_size=gr.the
             """)
     with gr.Row():
         with gr.Column(variant='panel'):
-            midi = gr.File(label="midi file", file_types=[".mid"])
+            midi_synth = gr.Audio(label="synthesized midi")
+            upload_button = gr.UploadButton("Upload a MIDI File", file_types=[".mid"])
+            upload_button.click(synthesize, upload_button, midi_synth)
             prompt = gr.Textbox(label="prompt", info="Enter a descriptive text prompt to guide the audio generation.")
         with gr.Column(variant='panel'):
-            midi_synth = gr.Audio(label="synthesized midi")
             midi.upload(synthesize, inputs=midi, outputs=midi_synth)
             audio = gr.Audio(label="generated audio")
     with gr.Accordion("Advanced Settings", open=False):