Accented note (right/left hand suggested) r/l: quieter note * : trill, generally three very fast notes on repique/caixa, two or three for surdos Add schematic, start on PCB choices could also do all-different colors, but unfortunately Mouser only has A1Ms in orange. *** Expensive, about $3 each. Replacing LEDs in sliders, lit for each stage? * TBD, needs testing * State Gates.