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Chord Formulas

Table of chord formulas for musicians, improvisers and composers.
Colors can be used as a visual analogy to memorize the formulae.
Majors-Red Minor-Blue Dominants-Green
Learn guitar with an innovative system taught at my private guitar music school in London.
It introduces 4 new colors of chord tonalities in CHROMASONICS
Music Of The Spheres
In music theory, all chords are formulated from the major scale of the root of the chord. 2 notes constitute the quality of a chord. They are divided into 3 categories MAJOR MINOR and DOMINANT. Chord theory can be complex to understand if you don't know your key signatures, cycle of 4ths and 5ths and the formulae. When soloing or playing over changes like jazz chord progressions you have to phrase around the main notes of the chords or resolve your melodies on the arpeggio of the chord, to attain a musical pleasing effect or sound. If you replace a 3b or natural 3rd with a 4th then the chord becomes a Sus or Sus4 chord. Sus is short for Sustained.
MAJOR
Name
Formula
Symbol
Major
1, 3, 5
None or ▲
Major Add Nine
1, 3, 5, 9
maj/9, /9
Major Flat Nine
1, 3, 5, b9
majb9
Major Add Eleventh
1, 3, 5, 11
maj/11, /11
Major Add Eleventh Flat Nine
1, 3, 5, b9, 11
maj/11b9, /11b9
Major Add Nine Add Eleventh
1, 3, 5, 9, 11
maj/9/11, /9/11
Major Flat Five
1, 3, b5
majb5, b5
Major Flat Five Add Nine
1, 3, b5, 9
majb5/9
Major Flat Five Flat Nine
1, 3, b5, b9
majb5b9
Major Flat Five Add Eleventh
1, 3, b5, 11
majb5/11
Major Flat Five Add Eleventh Flat Nine
1, 3, b5, b9, 11
majb5/11b9
Major Sharp Five (Augmented)
1, 3, #5
Aug, +
Augmented Add Nine
1, 3, #5, 9
Aug/9, +/9
Augmented Flat Nine
1, 3, #5, b9
Augb9, +b9
Augmented Add Eleven
1, 3, #5, 11
Aug/11, +/11
Augmented Add Eleven Flat Nine
1, 3, #5, b9, 11
Aug/11b9, +/11b9
Augmented Add Nine Add Eleven
1, 3, #5, 9, 11
Aug/9/11, +/9/11
Major Sixth
1, 3, 5, 6
maj6, ▲6, M6
Major Sixth Flat Five
1, 3, b5, 6
maj6b5, 6b5, ▲6b5
Major Sixth Sharp Five
1, 3, #5, 6
maj6+, 6+, ▲6+
Major Sixth Ninth
1, 3, 5, 6, 9
maj69, 69, 6/9, ▲69
Major Sixth Ninth Flat Five
1, 3, b5, 6, 9
maj69b5, 69b5, ▲69b5
Major Sixth Ninth Sharp Five
1, 3, #5, 6, 9
maj69#5, 69#5, 69+, ▲69#5
Major Sixth Flat Nine
1, 3, 5, 6, b9
maj6b9, 6b9, ▲6b9
Major Sixth Flat Five Flat Nine
1, 3, b5, 6, b9
maj6b5b9, 6b5b9, ▲6b5b9
Major Sixth Sharp Five Flat Nine
1, 3, #5, 6, b9
maj6b9+, 6b9+, ▲6b9+
Major Sixth Add Eleven
1, 3, 5, 6, 11
maj6/11, 6/11, ▲6/11
Major Sixth Ninth Add Eleven
1, 3, 5, 6, 9, 11
maj69/11, 69/11, ▲69/11
Major Sixth Flat Five Add Eleven
1, 3, b5, 6, 11
maj6b5/11, 6b5/11, ▲6b5/11
Major Sixth Sharp Five Add Eleven
1, 3, #5, 6, 11
maj6#5/11, 6#5/11, ▲6#5/11
Major Sixth Ninth Flat Five Add Eleven
1, 3, b5, 6, 9, 11
maj69b5/11, 69b5/11, ▲69b5/11
Major Sixth Ninth Sharp Five Add Eleven
1, 3, #5, 6, 9, 11
maj69#5/11, 69#5/11, ▲69#5/11
Major Sixth Flat Nine Add Eleven
1, 3, 5, 6, b9, 11
maj6/11b9, 6/11b9, ▲6/11b9
Major Sixth Flat Five Flat Nine Add Eleven
1, 3, b5, 6, b9, 11
maj6b5/11b9, 6b5/11b9, ▲6b5/11b9
Major Sixth Sharp Five Flat Nine Add Eleven
1, 3, #5, 6, b9, 11
maj6+/11b9, 6+/11b9, ▲6+/11b9
Major Sixth Seventh
1, 3, 5, 6, 7
maj67, ▲67, M67
Major Sixth Seventh Flat Five
1, 3, b5, 6, 7
ma67b5, maj67b5, 67b5, ▲67b5
Major Sixth Seventh Sharp Five
1, 3, #5, 6, 7

ma67#5, maj67#5, 67#5, ▲67#5

ma67+, maj67+, 67+, ▲67+

Major Seventh
1, 3, 5, 7
ma7, maj7, ▲7, M7
Major Seventh Flat Five
1, 3, b5, 7
ma7b5, ▲7b5, M7b5
Major Seventh Sharp Five
1, 3, 5#, 7
ma7#5, ▲7#5, M7+
Major Seventh Add Eleventh
1, 3, 5, 7, 11
ma7/11, ▲7/11, M7/11
Major Seventh Flat Five Add Eleventh
1, 3, b5, 7, 11
ma7b5/11, ▲7b5/11, M7b5/11
Major Seventh Sharp Five Add Eleventh
1, 3, #5, 7, 11

ma7#5/11, ▲7#5/11, M7#5/11

ma7+/11, ▲7+/11, M7+/11

Major Ninth
1, 3, 5, 7, 9
ma9, maj9, ▲9, M9
Major Ninth Flat Five
1, 3, 5b, 7, 9
ma9b5, ▲9b5, M9b5
Major Ninth Sharp Five
1, 3, 5#, 7, 9
ma9#5, ▲9#5, M9#5
Major Eleventh
1, 3, 5, 7, 9, 11
ma11, ▲11, M11
Major Eleventh Flat Five
1, 3, b5, 7, 9, 11
ma11b5, ▲11b5, M11b5
Major Eleventh Sharp Five
1, 3, 5#, 7, 9, 11
ma11#5, ▲11#5, M11+
Major Thirteenth
1, 3, 5, 7, 9, 13
ma13, maj13, ▲13, M13
Major Thirteenth Flat Five
1, 3, 5b, 7, 9, 13
ma13b5, ▲13b5, M13b5
Major Thirteenth Flat Five Add Eleventh
1, 3, 5b, 7, 9, 11, 13
ma13b5/11, ma11b5/13,
M13b5
/11, ▲13b5/11
Major Thirteenth Sharp Five Add Eleventh
1, 3, 5#, 7, 9, 11, 13
ma13#5/11, ma11#5/13, M13#5/11, ▲13#5/11, ma13+/11, ma11+/13,
M13+
/11, ▲13+/11
Major Thirteenth Sharp Five
1, 3, 5#, 7, 9, 13
ma13#5, ▲13#5, M13+
Major Thirteenth Add Eleven
1, 3, 5, 7, 9, 11, 13
ma13/11, ma11/13, M13/11, ▲13/11
Major Seventh add Eleven
1, 3, 5, 7, 11
ma7/11, maj7/11, M7/11
Form Object
MINOR
Name
Formula
Symbol
Minor
1, 3b, 5
min, mi, m, -
Minor Augmented
1, 3b, 5#
min.aug, mi.aug, m+, -+
Diminished (Triad)
1, 3b, 5b
dim
Minor Add Nine
1, 3b, 5, 9
min/9, mi/9, m/9, -/9
Minor Sixth
1, 3b, 5, 6
min6, mi6, m6, -6
Minor Seventh
1, 3b, 5, 7b
min7, mi7, m7, -7
Minor Ninth
1, 3b, 5, 7b, 9
min9, mi9, m9, -9
Minor Thirteenth
1, 3b, 5, 7b, 9, 13
min13, mi13, m13, -13
Minor Sixth Seventh
1, 3b, 5, 6, 7b
min67, mi67, m67, -67
Minor Sixth Major Seventh
1, 3b, 5, 6, 7b
min6ma7, mi6ma7, m6ma7, -6▲7
Minor Six Ninth
1, 3b, 5, 6, 9
min69, mi69, m6/9, m69,-69
Minor Major Seventh
1, 3b, 5, 7
min.maj7, mi.ma7, -M7, m▲7, miMa7
Minor Major Ninth
1, 3b, 5, 7, 9
min.maj9, mi.ma9, -M9, m▲9, miMa9
Minor Major Eleventh
1, 3b, 5, 7, 9, 11
min.maj11, mi.ma11, -M11, m▲11
Minor Major Thirteenth
1, 3b, 5, 7, 9, 13
min.maj13, mi.ma13, -M13, m▲13
Dimished Seventh (Quadrad)
1, 3b, 5b, 6
dim7th, dim7, o7th, o7, o
Half-Diminished or
Minor Seventh Flat Five
1, 3b, 5b, 7b
min7b5, m7b5, Ø7, Ø
Dimished Major Seventh
1, 3b, 5b, 7
dim.ma7th, dim7, dim▲7, o▲7
Dimished Major Ninth
1, 3b, 5b, 7, 9
dim.ma9th, dim9, dim▲9, o▲9
Dimished Major Eleventh
1, 3b, 5b, 7, 9, 11
dim.ma11th, dim11, dim▲11, o▲11
Dimished Major Thirteenth
1, 3b, 5b, 7, 9, 13
dim.ma13th, dim13, dim▲13, o▲13

DOMINANT
Name
Formula
Symbol
Seventh
1, 3, 5, 7b
7, 7th
Ninth
1, 3, 5, 7b, 9
9, 9th
Eleventh
1, 3, 5, 7b, 9, 11
11, 11th
Thirteenth
1, 3, 5, 7b, 9, 13
13, 13th
Thirteenth Add Eleventh
1, 3, 5, 7b, 9, 11, 13
13/11, 13th/11
Seventh Sharp Five
1, 3, 5#, 7b
7#5, 7+
Seventh Flat Five
1, 3, 5b, 7b
7b5
Ninth Sharp Five
1, 3, 5#, 7b, 9
9#5, 9+
Ninth Flat Five
1, 3, 5b, 7b, 9
9b5
Eleventh Sharp Five
1, 3, 5#, 7b, 9, 11
11#5, 11+
Eleventh Flat Five
1, 3, 5b, 7b, 9, 11
11#5, 11+
Thirteenth Sharp Five
1, 3, 5#, 7b, 9, 13
13#5, 13+
Sixth Seventh
1, 3, 5, 6, 7b
67
Seventh Sharp Nine
1, 3, 5, 7b, 9#
7#9, 7+9
Seventh Flat Nine
1, 3, 5, 7b, 9b
7b9
Seventh Sharp Five Sharp Nine
1, 3, 5#, 7b, 9#
7#5#9, 7+5+9
Seventh Flat Five Sharp Nine
1, 3, 5b, 7b, 9#
7b5#9, 7b5+9
Seventh Flat Five Flat Nine
1, 3, 5b, 7b, 9b
7b5b9


BASIC TRIADS
Name
Formula
Symbol
Major
1, 3, 5
None or ▲
Minor
1, 3b, 5
min, mi, m, -
Augmented
1, 3, 5#
Aug, +
Diminished
1, 3b, 5b
dim
Sus4, Sus
1, 4, 5
sus4, sus
Sus2
1, 5, 9
sus2
Major Flat Five
1, 3, 5b
majb5, mab5, ▲b5
Minor Augmented
1, 3b, 5#
min.aug, mi.aug, m+, -+

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