OrganPipe info.festi.boxes.py.OrganPipe organpipe c c# d d# e f f# g g# a a# b 2 2.0 0.25 0.3 0 588.4 Pa mBar mmHg mmH2O false 3.0 0.0 false 100 0.1 90.0 rectangular springs 1.0 1.0 3.0 0.0 3.0 1.0 all