Accented note (right/left hand suggested r/l Quieter, unaccented note * : trill, generally three very fast notes on repique/caixa, two or three for surdos Add schematic, start on PCB sandwich, making some final-ish decisions about connecting to front panel Added schmancy pcb for v2 front panel and Pin 1, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fi-v Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, lateral right PCB mount, https://www.neutrik.com/en/product/nl4md-v-1 speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: mating connector shell and front panel, lateral right PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fa-h-0 neutrik jack combo i Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3maah-0 AA Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, lateral left PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fah-0 A Series, 3 pole male XLR receptacle.