Back surdo (L for low, H for high) R/L: accented note (right/left hand suggested) r/l: quieter note * : trill, generally three very fast notes on updating the fireball for rev 2 's notes on updating the fireball for rev 2 beta README.md | 4 | 1M | Resistor | | U3 | 1 | | | | | Tayda | A-826 | | | | S3 | 1 | SW_Push | Push button switch, generic, two pins Switch, single pole normally-open tactile switch SPST right angle, http://www.ckswitches.com/media/1422/js.pdf.