A4
- Octave
-
- Frequency
- 440Hz
- MIDI Number
- 69
Chords
-
A
4
(quartal)
-
A
fifth
(5)
-
A
M7#5sus4
-
A
7#5sus4
-
A
suspended fourth
(sus4, sus)
-
A
M7sus4
-
A
suspended fourth seventh
(7sus4, 7sus)
-
A
7no5
-
A
augmented
(aug, +, +5, ^#5)
-
A
major seventh flat sixth
(M7b6, ^7b6)
-
A
augmented seventh
(maj7#5, maj7+5, +maj7, ^7#5)
-
A
7#5
(+7, 7+, 7aug, aug7)
-
A
7b13
-
A
major
(M, ^, , maj)
-
A
major seventh
(maj7, Δ, ma7, M7, Maj7, ^7)
-
A
dominant seventh
(7, dom)
-
A
sixth
(6, add6, add13, M6)
-
A
7add6
(67, 7add13)
-
A
7b6
-
A
Mb5
-
A
M7b5
-
A
7b5
-
A
major seventh sharp eleventh
(maj#4, Δ#4, Δ#11, M7#11, ^7#11, maj7#11)
-
A
lydian dominant seventh
(7#11, 7#4)
-
A
M6#11
(M6b5, 6#11, 6b5)
-
A
7#11b13
(7b5b13)
-
A
minor augmented
(m#5, -#5, m+)
-
A
mb6M7
-
A
m7#5
-
A
minor
(m, min, -)
-
A
minor/major seventh
(m/ma7, m/maj7, mM7, mMaj7, m/M7, -Δ7, mΔ, -^7, -maj7)
-
A
minor seventh
(m7, min7, mi7, -7)
-
A
minor sixth
(m6, -6)
-
A
mMaj7b6
-
A
diminished
(dim, °, o)
-
A
oM7
-
A
half-diminished
(m7b5, ø, -7b5, h7, h)
-
A
diminished seventh
(dim7, °7, o7)
-
A
o7M7
-
A
madd4
-
A
m7add11
(m7add4)
-
A
+add#9
-
A
7#5#9
(7#9#5, 7alt)
-
A
dominant sharp ninth
(7#9)
-
A
13#9
-
A
7#9b13
-
A
maj7#9#11
-
A
7#9#11
(7b5#9, 7#9b5)
-
A
13#9#11
-
A
7#9#11b13
-
A
suspended second
(sus2)
-
A
M9#5sus4
-
A
sus24
(sus4add9)
-
A
M9sus4
-
A
eleventh
(11)
-
A
9sus4
(9sus)
-
A
13sus4
(13sus)
-
A
9no5
-
A
13no5
-
A
M#5add9
(+add9)
-
A
maj9#5
(Maj9#5)
-
A
9#5
(9+)
-
A
9b13
-
A
Madd9
(2, add9, add2)
-
A
major ninth
(maj9, Δ9, ^9)
-
A
dominant ninth
(9)
-
A
sixth added ninth
(6add9, 6/9, 69, M69)
-
A
major thirteenth
(maj13, Maj13, ^13)
-
A
M7add13
-
A
dominant thirteenth
(13)
-
A
M9b5
-
A
9b5
-
A
13b5
-
A
9#5#11
-
A
major sharp eleventh (lydian)
(maj9#11, Δ9#11, ^9#11)
-
A
9#11
(9+4, 9#4)
-
A
69#11
-
A
M13#11
(maj13#11, M13+4, M13#4)
-
A
13#11
(13+4, 13#4)
-
A
9#11b13
(9b5b13)
-
A
m9#5
-
A
madd9
-
A
minor/major ninth
(mM9, mMaj9, -^9)
-
A
minor ninth
(m9, -9)
-
A
m69
(-69)
-
A
minor thirteenth
(m13, -13)
-
A
mMaj9b6
-
A
m9b5
-
A
m11A
-
A
minor eleventh
(m11, -11)
-
A
suspended fourth flat ninth
(b9sus, phryg, 7b9sus, 7b9sus4)
-
A
11b9
-
A
7sus4b9b13
(7b9b13sus4)
-
A
altered
(alt7)
-
A
7#5b9
(7b9#5)
-
A
Maddb9
-
A
M7b9
-
A
dominant flat ninth
(7b9)
-
A
13b9
-
A
7b9b13
-
A
7#5b9#11
-
A
7b9#11
(7b5b9, 7b9b5)
-
A
13b9#11
-
A
7b9b13#11
(7b9#11b13, 7b5b9b13)
-
A
mb6b9
-
A
7b9#9