Quantity   Component name
1 × - Plywood birch plywood for rigidity, thickness 1.2cm, 105x100 cm
1 × - Acrilyc translucent sheets (white) 105x90cm for each octave, 6 to 8mm thickness
5 × Acrilyc translucent black sheets 40x10 cm 3mm thickness
1 × Wood 2.5x1cm plenty for inside structure (see pictures)
1 × Arduino to drive the octave, send and receive data to/from master
1 × Mpr121 or any for capacitive detection
1 × Led drivers whatever you choose
1 × Silver Fabric Fiber Conductive Mesh for detection
1 × RGB 5050 Led strip (30 led by meter is enough) 100 meters (yes you read well)