To control the visuals we used both audio input from the mixer and midi signals from a device built ad hoc using piezo sensors and an arduino micro. We have also open-sourced the device code after the performance (available at https://github.com/npisanti/microMidi/tree/master/MidiPiezos ). The visuals are generated both using CoGe with handmade stop motion graphics and openFrameworks for the projection upon the drums (from the front and from above).
Video demo —> https://vimeo.com/213746380
30
drum kit ( at least with kick drum, snare, ride, high hat and some toms)
2 x projectors
optional projector mounted on the ceiling above the drums, pointed to the floor to project on the drum kit