Update app.py

app.py

@@ -134,7 +134,7 @@ with gr.Blocks(css=css) as demo:
                     duration = gr.Slider(label="Sample duration", minimum=4, maximum=30, step=1, value=30)
                     bpms = gr.Slider(label="BPMs", minimum=50, maximum=220, step=1, value=120)
             submit_btn = gr.Button("Submit")
-            wav_out = gr.Audio(label="Wav Result")
+            wav_out = gr.Audio(label="Wav Result", value="./MusiConGen_default_sample_space_example.wav")
             with gr.Row():
                 gr.Examples(
                     label = "Audio description examples",