Resource
Chords
Sets of notes played together to create a new sound.
All chords presented here are in:
Dyad
Major Third
2 notes
Short Name
Ratio
4:5
Intervals
P1 - M3
P1
M3
Minor Third
2 notes
Short Name
Ratio
5:6
Intervals
P1 - m3
P1
m3
Perfect Fourth
2 notes
Short Name
Ratio
3:4
Intervals
P1 - P4
P1
P4
Major Second
2 notes
Short Name
Ratio
8:9
Intervals
P1 - M2
P1
M2
Tritone
2 notes
Short Name
Ratio
18:25
Intervals
P1 - TT
P1
TT
Minor Second
2 notes
Short Name
Ratio
15:16
Intervals
P1 - m2
P1
m2
Power
2 notes
Short Name
5
Ratio
2:3
Intervals
P1 - P5
P1
P5
Minor Sixth
2 notes
Short Name
Ratio
5:8
Intervals
P1 - m6
P1
m6
Major Sixth
2 notes
Short Name
Ratio
3:5
Intervals
P1 - M6
P1
M6
Minor Seventh
2 notes
Short Name
Ratio
5:9
Intervals
P1 - m7
P1
m7
Major Seventh
2 notes
Short Name
Ratio
8:15
Intervals
P1 - M7
P1
M7
Triad
Major
3 notes
Short Name
maj
Ratio
4:5:6
Intervals
P1 - M3 - P5
P1
M3
P5
Major2nd
3 notes
Short Name
maj
Ratio
3:4:5
Intervals
P1 - P4 - M6
P1
P4
M6
Minor
3 notes
Short Name
min
Ratio
10:12:15
Intervals
P1 - m3 - P5
P1
m3
P5
Minor2nd
3 notes
Short Name
Ratio
15:20:24
Intervals
P1 - P4 - m6
P1
P4
m6
Diminished
3 notes
Short Name
dim
Ratio
90:108:125
Intervals
P1 - m3 - TT
P1
m3
TT
Diminished2nd
3 notes
Short Name
Ratio
18:25:30
Intervals
P1 - TT - M6
P1
TT
M6
Suspended 4th
3 notes
Short Name
sus4
Ratio
6:8:9
Intervals
P1 - P4 - P5
P1
P4
P5
Suspended 2nd
3 notes
Short Name
sus2
Ratio
8:9:12
Intervals
P1 - M2 - P5
P1
M2
P5
Augmented
3 notes
Short Name
aug
Ratio
20:25:32
Intervals
P1 - M3 - m6
P1
M3
m6
Minor Major 7th
3 notes
Short Name
minMaj7
Ratio
36:45:50
Intervals
P1 - M3 - TT
P1
M3
TT
Augmented Suspended 2nd
3 notes
Short Name
aug(sus2)
Ratio
40:45:64
Intervals
P1 - M2 - m6
P1
M2
m6
Minor 11
3 notes
Short Name
m11
Ratio
24:27:32
Intervals
P1 - M2 - P4
P1
M2
P4
Major 6/9
3 notes
Short Name
Maj6/9
Ratio
15:18:20
Intervals
P1 - m3 - P4
P1
m3
P4
Lydian Chord
3 notes
Short Name
Lyd
Ratio
24:32:45
Intervals
P1 - P4 - M7
P1
P4
M7
Suspended 2nd
3 notes
Short Name
sus2
Ratio
72:100:135
Intervals
P1 - TT - M7
P1
TT
M7
Quartal Cluster
3 notes
Short Name
QC
Ratio
8:9:10
Intervals
P1 - M2 - M3
P1
M2
M3
Full Power
3 notes
Short Name
Ratio
2:3:4
Intervals
P1 - P5 - P8
P1
P5
P8
Full Power
3 notes
Short Name
5^
Ratio
2:2:3
Intervals
P1 - P1 - P5
P1
P1
Tetrad
Major Seventh
4 notes
Short Name
M7
Ratio
8:10:12:15
Intervals
P1 - M3 - P5 - M7
P1
M3
P5
M7
Major Seventh 2nd
4 notes
Short Name
M7
Ratio
12:15:16:20
Intervals
P1 - M3 - P4 - M6
P1
M3
P4
M6
Major Seventh 3rd
4 notes
Short Name
M7
Ratio
15:16:20:24
Intervals
-m2 - P1 - M3 - P5
-m2
P1
M3
Minor Seventh
4 notes
Short Name
m7
Ratio
10:12:15:18
Intervals
P1 - m3 - P5 - m7
P1
m3
P5
m7
Minor Major 7th
4 notes
Short Name
minMaj7
Ratio
12:15:18:20
Intervals
P1 - M3 - P5 - M6
P1
M3
P5
M6
Major 6th
4 notes
Short Name
maj6
Ratio
15:18:20:24
Intervals
P1 - m3 - P4 - m6
P1
m3
P4
m6
Dominant 7th Add9
4 notes
Short Name
9
Ratio
24:27:32:40
Intervals
P1 - M2 - P4 - M6
P1
M2
P4
M6
Major Seventh
4 notes
Short Name
M7
Ratio
20:25:30:36
Intervals
P1 - M3 - P5 - m7
P1
M3
P5
m7
Minor 9th
4 notes
Short Name
min9
Ratio
90:108:125:144
Intervals
P1 - m3 - TT - m6
P1
m3
TT
m6
Major Add11
4 notes
Short Name
maj(add11)
Ratio
15:18:20:25
Intervals
P1 - m3 - P4 - M6
P1
m3
P4
M6
Minor 11th
4 notes
Short Name
min11
Ratio
72:81:100:120
Intervals
P1 - M2 - TT - M6
P1
M2
TT
M6
Minor 13th
4 notes
Short Name
min13
Ratio
90:108:125:162
Intervals
P1 - m3 - TT - m7
P1
m3
TT
m7
Major 11th
4 notes
Short Name
maj11
Ratio
30:36:45:50
Intervals
P1 - m3 - P5 - M6
P1
m3
P5
M6
Minor Major 11th
4 notes
Short Name
minMaj11
Ratio
36:45:50:60
Intervals
P1 - M3 - TT - M6
P1
M3
TT
M6
Major 13th
4 notes
Short Name
maj13
Ratio
120:135:160:192
Intervals
P1 - M2 - P4 - m6
P1
M2
P4
m6
Minor 11th (no 9)
4 notes
Short Name
min11(no9)
Ratio
12:15:20:27
Intervals
P1 - M3 - M6 - M9
P1
M3
M6
M9
Major 11th (no 9)
4 notes
Short Name
maj11(no9)
Ratio
15:20:24:27
Intervals
P1 - P4 - m6 - m7
P1
P4
m6
m7
Dominant 7(♯11)
4 notes
Short Name
7♯11
Ratio
30:36:40:45
Intervals
P1 - m3 - P4 - P5
P1
m3
P4
P5
Dominant 13th
4 notes
Short Name
13
Ratio
64:72:81:108
Intervals
-M2 - P1 - M2 - P5
-M2
P1
M2
Dominant 7(♭9)
4 notes
Short Name
7♭9
Ratio
60:80:108:135
Intervals
P1 - P4 - m7 - M9
P1
P4
m7
M9
Suspended 2nd/4th
4 notes
Short Name
sus2/4
Ratio
6:8:9:10
Intervals
P1 - P4 - P5 - M6
P1
P4
P5
M6
Half-Diminished 7th
4 notes
Short Name
m7♭5
Ratio
8:9:10:12
Intervals
P1 - M2 - M3 - P5
P1
M2
M3
P5
Dominant 7(♭13)
4 notes
Short Name
7♭13
Ratio
40:45:54:72
Intervals
-M2 - P1 - m3 - m6
-M2
P1
m3
Major 13th (no 11)
4 notes
Short Name
maj13(no11)
Ratio
15:20:27:36
Intervals
P1 - P4 - m7 - m10
P1
P4
m7
m10
Dominant 9(♭13)
4 notes
Short Name
9♭13
Ratio
30:40:45:54
Intervals
P1 - P4 - P5 - m7
P1
P4
P5
m7
Dominant 9(♯11)
4 notes
Short Name
9♯11
Ratio
24:27:32:36
Intervals
P1 - M2 - P4 - P5
P1
M2
P4
P5
Minor 11th
4 notes
Short Name
min11
Ratio
20:24:27:36
Intervals
-m3 - P1 - M2 - P5
-m3
P1
M2
Minor Major 11th
4 notes
Short Name
minMaj11
Ratio
12:16:20:27
Intervals
P1 - P4 - M6 - M9
P1
P4
M6
M9
Dominant 13(♭9)
4 notes
Short Name
13♭9
Ratio
80:90:108:135
Intervals
-M2 - P1 - m3 - P5
-M2
P1
m3
Major 13th
4 notes
Short Name
maj13
Ratio
40:48:60:75
Intervals
P1 - m3 - P5 - M7
P1
m3
P5
M7
Minor Major 13th
4 notes
Short Name
minMaj13
Ratio
60:75:96:100
Intervals
P1 - M3 - m6 - M6
P1
M3
m6
M6
Dominant 13(♯11)
4 notes
Short Name
13♯11
Ratio
60:75:80:96
Intervals
P1 - M3 - P4 - m6
P1
M3
P4
m6
Augmented Major 7th
4 notes
Short Name
augM7
Ratio
60:64:75:96
Intervals
P1 - m2 - M3 - m6
P1
m2
M3
m6
Augmented Major 9th
4 notes
Short Name
augM9
Ratio
40:50:64:75
Intervals
P1 - M3 - m6 - M7
P1
M3
m6
M7
Augmented 7th
4 notes
Short Name
aug7
Ratio
20:25:30:32
Intervals
P1 - M3 - P5 - m6
P1
M3
P5
m6
Augmented Major 7th
4 notes
Short Name
augM7
Ratio
20:24:25:32
Intervals
P1 - m3 - M3 - m6
P1
m3
M3
m6
Major 9th (no 7)
4 notes
Short Name
maj9(no7)
Ratio
15:16:20:25
Intervals
P1 - m2 - P4 - M6
P1
m2
P4
M6
Minor 11th
4 notes
Short Name
min11
Ratio
90:108:125:150
Intervals
P1 - m3 - TT - M6
P1
m3
TT
M6
Augmented Seventh
4 notes
Short Name
Ratio
20:25:32:36
Intervals
P1 - M3 - m6 - m7
P1
M3
m6
m7
Diminished Major Seventh
4 notes
Short Name
Ratio
360:432:500:675
Intervals
P1 - m3 - TT - M7
P1
m3
TT
M7