UPDATE

app.py

@@ -31,13 +31,13 @@ iface = gr.Interface(
     inputs=[
         gr.Audio(label="Upload your music file", type="filepath"),
         gr.Checkbox(label="Apply 8D effect"),
-        gr.Slider(label="8D - Pan Boundary", minimum=0, maximum=100, value=50),
+        gr.Checkbox(label="Apply slowed effect"),
+        gr.Checkbox(label="Apply reverb effect"),
+        gr.Slider(label="8D - Pan Boundary", minimum=0, maximum=100, value=100),
         gr.Slider(label="8D - Jump Percentage", minimum=1, maximum=100, value=5),
         gr.Slider(label="8D - Time L to R (ms)", minimum=1, value=10000),
-        gr.Checkbox(label="Apply slowed effect"),
         gr.Slider(label="8D - Volume Multiplier", minimum=1, value=6),
         gr.Slider(label="Slowed - Speed Multiplier", minimum=0.1, maximum=2, step=0.1, value=0.92),
-        gr.Checkbox(label="Apply reverb effect"),
         gr.Slider(label="Reverb - Room Size", minimum=0, maximum=1, step=0.1, value=0.8),
         gr.Slider(label="Reverb - Damping", minimum=0, maximum=10, value=1),
         gr.Slider(label="Reverb - Width", minimum=0, maximum=1, step=0.1, value=0.5),