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No problem, it's all controlled using an Arduino and the code was mostly written myself. I use the FastLED library (https://github.com/FastLED/FastLED) to control the lights, as they require a signal with very specific timing.
For MIDI, I've tried to use the Arduino MIDI Library (https://github.com/FortySevenEffects/arduino_midi_library) and although it did work, the performance quickly degraded with fast notes or multiple MIDI channels. So I made the MIDI receive code myself. It wasn't too hard, just reading hex data from the serial port.