I absolutely love Bach on the violin, and I wanted to try to visualize it in PV3D. The logic is that it averages the amplification and frequency over 100 and 500 frames, respectively. This allows those modifiers to gracefully control the shapes. I am setting the size of the shape to respect the amplification at the sample time. I really like how fluid it turned out for a few hours of play time.
Click here to view the demo.