A piano reference: chords, scales, theory. Full MIDI.
A Minor 11th
Notes: A - C - E - G - B - D | Degrees: 1 - ♭3 - 5 - ♭7 - 9 - 11 | Written: Am11, Amin11
Construction: Root, Minor 3rd, Perfect 5th, Minor 7th, Major 9th, Perfect 11th
It is a minor 9th chord with an added perfect 11th, giving it a dark and expansive character commonly used in jazz, funk, and soul
Construction
A Minor 11th = Root + Minor 3rd + Perfect 5th + Minor 7th + Major 2nd + Perfect 4th = A, C, E, G, B, D
Note
Interval
Degree
A
Root
1
C
Minor 3rd
♭3
E
Perfect 5th
5
G
Minor 7th
♭7
B
Major 2nd
9
D
Perfect 4th
11
Key Signature
A chord has no key signature of its own, but the A Minor 11th is the tonic (i) chord of A Minor, which shares the signature of its relative major, C Major: no sharps or flats.
Chords in the Key of A Minor
These are the triads built on each degree of A Minor:
The notes A – C – E – G – B – D aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell: