Basic Chord Formulas
ADVERTISEMENT
1
2BASIC CHORD FORMULAS
CHORD
FORMULA
ACTION (change from or addition to the basic 1 3 5 triad)
Major
1 3 5
Basic triad
Minor
Replace
3 with b3
1 3 5
Aug (+)
Replace
5 with #5
1 3 5
3 and 5 with b3 and b5 for half dim and double flats
Dim (○)
Replace
1 3 5
the 7 for dim
Sus4
1 4 5
Replace
3 with 4
Major 7
1 3 5 7
Add
7
7 (dom 7)
Add
a b7 (double flat the 1)
1 3 5 7
3 with b3 and
b7
Minor 7
Replace
add
1 3 5 7
Minor 7b5
Replace
3 and 5 with b3 and b5 and
add
b7
1 3 5 7
6
1 3 5 6
Add
6
Minor 6
Replace
3 with b3 and
add
6
1 3 5 6
9
1 3 5 b7 9
Add
9 (2) to dominant 7 chord
11 (4) to 9th chord
11
1 3 5 b7 9 11
Add
th
13
1 3 5 b7 9 11 13
Add
13 (6) to 11
chord
Notes:
th
#9 uses a minor 3 and is the same as a dominant 7
with both a minor and major 3
b9 is the same as a 1
b6 is a #5 (augmented)
The 3 and the 7 are always flatted in minor chords
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Life