12 Hole Chromatic (std 48) Key of C -4 -5 -4-5 +6 +6 +7 +5+7 -6< -5 +6 +5+6 -6< -6< +9 +6+9 -5-8 -8 -8 -5<-8 -7 -7 -6< +5-6< +6 +6+9 +6+9 -5-8 +7 +7 +7 +5-6< -5 -6< -7 +5-7 -4+7
12 Hole Chromatic (std 48) Key of C -4 -5 -4-5 +6 +6 +7 +5+7 -6< -5 +6 +5+6 -6< -6< +9 +6+9 -5-8 -8 -8 -5<-8 -7 -7 -6< +5-6< +6 +6+9 +6+9 -5-8 +7 +7 +7 +5-6< -5 -6< -7 +5-7 -4+7