+double Music::s_semitones[13] = { 1.0000, 1.0595, 1.1225, 1.1892, 1.2599, 1.3348, 1.4142, 1.4983, 1.5874, 1.6818, 1.7818, 1.8877, 2.0000 }; // Chromatic, never used
+static double semitones_werckmeister3[] = { 1.0, 1.06425952556, 1.125, 1.19729196625, 1.26134462288, 1.33785800438, 1.41901270074, 1.5, 1.59638928833, 1.68179283051, 1.78986403988, 1.89201693432, 2.0 };
+static double semitones_kirnberger3[] = { 1.0, 1.06335913331, 1.12151158592, 1.19627902498, 1.26027749133, 1.33748060995, 1.41781217775, 1.49534878122, 1.59503869997, 1.68036998845, 1.788854382, 1.890416237, 2.0 };
+static double semitones_diatonic[] = { 1.0, 1.06666666667, 1.125, 1.2, 1.25, 1.35, 1.44, 1.5, 1.6, 1.6875, 1.8, 1.875, 2.0 };
+static double semitones_meantone[] = { 1.0, 1.06998448796, 1.11803398875, 1.19627902498, 1.25, 1.33748060995, 1.4310835056, 1.49534878122, 1.6, 1.67185076244, 1.788854382, 1.86918597653, 2.0};
+Music::Tuning Music::s_tuning = Music::CHROMATIC;
+