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Chord · Reference entry

A Minor 11th

Minor 11th · A – C – E – G – B – D · intervals P1-m3-P5-m7-M9-P11

The A Minor 11th chord (Am11) contains the notes A, C, E, G, B, and D. Its interval formula is R-m3-P5-m7-M9-P11. A minor 9th plus the 11th — rich and modern, common in jazz fusion and contemporary R&B.

At the keyboard

A · C · E · G · B · D
Flashcards · Chord
Three questions on A Minor 11th
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Am11

The A Minor 11th chord is a six-note chord made up of A, C, E, G, B, and D. It is built from a root, minor third, perfect fifth, minor seventh, major ninth, and perfect eleventh.

Construction

A Minor 11th = Root + Minor 3rd + Perfect 5th + Minor 7th + Major 2nd + Perfect 4th = A · C · E · G · B · D
NoteIntervalDegree
ARoot1
CMinor 3rd♭3
EPerfect 5th5
GMinor 7th♭7
BMajor 2nd9
DPerfect 4th11

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 Majorno sharps or flats.

Chords in the Key of A Minor

These are the triads built on each degree of the A minor scale:

C1C2C3C4ACEC6C7C8
iA Minor (minor)
DegreeNumeralChordQuality
1iA MinorMinor
2ii°B DiminishedDiminished
3IIIC MajorMajor
4ivD MinorMinor
5vE MinorMinor
6VIF MajorMajor
7VIIG MajorMajor

Same Notes, Other Names

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:

A Minor 11th — Frequently Asked Questions

What is the A Minor 11th chord on piano?
The A Minor 11th chord contains the notes A – C – E – G – B – D. On piano, play these notes together to sound the chord.
What notes are in the A Minor 11th chord?
Am11 contains six notes: A, C, E, G, B, D. All white keys. Practical voicing: A–C–G–B–D. No clash.
How does Am11 differ from A11?
Am11 has minor third (C). A11 has major third (C#, usually omitted).
How is Am11 used in music?
Am11 is the ii in G Major and the vi in C Major. One of the most common m11 chords in pop, jazz, and lo-fi.
How does Am11 differ from Am9?
Adds the eleventh (D) for warmth and fullness.
What songs use Minor 11th chords?
Neo-soul, lo-fi, modern jazz. Am11 is ubiquitous.
Do I need to play all six notes?
Drop the fifth: A–C–G–B–D. All white keys.

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References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data is piano.org's own interval-derived reference dataset — continuously maintained and human-verified, with no fixed publication date.

  1. 1

    Prout, Ebenezer(1889)

    Harmony: Its Theory and Practice

    Public domain treatise
  2. 2

    Goetschius, Percy(1889)

    The Material Used in Musical Composition

    Public domain treatise
  3. 3

    Beethoven, Ludwig van(1810)

    Für Elise, WoO 59 (A minor)

    Public domain score
  4. 4

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Entry reviewed and maintained by Justin Evans. Corrections are read and applied.Report an error

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