Root Position Triad
5/3
1st Inversion Triad
6/3
2nd Inversion Triad
6/4
Root Position 7 Chord
7
1st Inversion 7 Chord
6/5
2nd Inversion 7 Chord
4/3
3rd Inversion 7 Chord
4/2
Parallel Key
Same Tonic, Different Key Signature
Relative Key
Different Tonic, Same Key Signature
Leading Tone
Half Step Below a Key’s Tonic
Secondary Dominance
a non-permanent key change of short duration
Modulation
The process of changing keys
Major Triad
-3rd
^3rd
Root
Minor Triad
^3rd
-3rd
Root
Double Sharp Sign
F?
Sharp Sign
F?
Augmented Sign
F+
Diminished/Half Diminished Sign
Fully Diminished Sign
Fo
Major Sign
F^
Minor Sign
F-
Augmented Triad
^3rd
^3rd
Root
Diminished Triad
-3rd
-3rd
Root
Unison/^1st/°2nd
1 Half Step Itself
-2nd/+1st
2 Half Steps
^2nd/°3rd
3 Half Steps
+2nd/-3rd
4 Half Steps
^3rd/°4th
5 Half Steps
+3rd/P4th
6 Half Steps
+4th/°5th
7 Half Steps
P5th/°6th
8 Half Steps
+5th/-6th
9 Half Steps
^6th/°7th
10 Half Steps
+6th/-7th
11 Half Steps
^7th/°8th/°Octave
12 Half Steps
+7th/P8th/POctave
13 Half Steps
Flat Sign
F?