A# Minor 11th

Notes:A# – C# – F – G# – C – D#
Formula:R-m3-P5-m7-M9-P11
Intervals:P1-m3-P5-m7-M9-P11
Scale Degrees:1-b3-5-b7-9-11

Introduction

The A# Minor 11th piano chord (A#m11) consists of the notes A#, C#, F, G#, C, D#. 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. Formula: R-m3-P5-m7-M9-P11 | Scale degrees: 1-b3-5-b7-9-11.

Enharmonic equivalent: A♯ is enharmonically equivalent to B♭. See Bb Minor 11th.

Notes

Notes:A# – C# – F – G# – C – D#

A# Minor 11th Inversions

PositionNotes
Root PositionA#4 – C#5 – F5 – G#5 – C6 – D#6
1st InversionC#5 – F5 – G#5 – A#5 – C6 – D#6
2nd InversionF5 – G#5 – A#5 – C6 – C#6 – D#6

Key Signature

The key of A# Minor 11th has 7 sharps: F♯, C♯, G♯, D♯, A♯, E♯, B♯.

FCGDAEB

Theory: Intervals

Formula: R-m3-P5-m7-M9-P11
Intervals: P1-m3-P5-m7-M9-P11

The A# Minor 11th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9-P11 describes the scale degrees used. The intervals P1-m3-P5-m7-M9-P11 show the distance between each note in the chord.

A# Minor 11th — Frequently Asked Questions

What notes are in the A# Minor 11th chord?

A# Minor 11th is built from the A# root. Check the interactive keyboard above for exact notes and fingering.

How is the A# Minor 11th chord used in music?

A# Minor 11th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Minor 11th).

What is the fingering for A# Minor 11th?

See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.

What are the inversions of A# Minor 11th?

Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.

Practice Tips

  • Extended jazz voicing with the 11th.
  • Drop notes for practical voicings.
  • The 11th adds suspension.
  • Compare with the 9th version.
  • Jazz and funk applications.
  • Quartal voicings work well.