A piano reference: chords, scales, theory. Full MIDI.
A Minor 13th
Notes: A - C - E - G - B - D - F♯ | Degrees: 1 - ♭3 - 5 - ♭7 - 9 - 11 - 13 | Written: Am13, Amin13
Construction: Root, Minor 3rd, Perfect 5th, Minor 7th, Major 9th, Perfect 11th, Major 13th
It is a minor 11th chord with an added major 13th, giving it a dark and sophisticated character often used in jazz ballads and modal jazz
Construction
A Minor 13th = Root + Minor 3rd + Perfect 5th + Minor 7th + Major 2nd + Perfect 4th + Major 6th = A, C, E, G, B, D, F♯
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
F♯
Major 6th
13
Key Signature
A chord has no key signature of its own, but the A Minor 13th 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 – F♯ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following: