12 Hole Chromatic (std 48) Key of C +1 +1 +3 +3 -3 -3 +3 -2 -2 +2 +2 -1 -1 +1 +3 +3 -2 -2 +2 +2 -1 +3 +3 -2 -2 +2 +2 -1 +1 +1 +3 +3 -3 -3 +3 -2 -2 +2 +2 -1 -1 +1
12 Hole Chromatic (std 48) Key of C +1 +1 +3 +3 -3 -3 +3 -2 -2 +2 +2 -1 -1 +1 +3 +3 -2 -2 +2 +2 -1 +3 +3 -2 -2 +2 +2 -1 +1 +1 +3 +3 -3 -3 +3 -2 -2 +2 +2 -1 -1 +1