MMD Archives August 2009 Contents of Digest 2009.08.29 Prev  Next Nr Subject Author 01 Raffin 31er Scale vs. Carl Frei 20er Scale Mike Knudsen 02 "Noteur" Music Book & Roll Editing Program Christofer Noering 03 Meaning of QRS (Q.R.S.) John Farmer 04 Meaning of QRS (Q.R.S.) Will Herzog 05 Triumph Autopiano With Parallel Pneumatics John Farmer