This Sourceforge contains a raspberry disk image containing the Piano-LED-visualizer package. This package contains a midi/Bluetooth piano-led visualizer for the raspberry pi. The project code can be found on https://github.com/onlaj/Piano-LED-Visualizer. For more information on how to use this image go to this issue https://github.com/onlaj/Piano-LED-Visualizer/issues/15#issuecomment-642545853.