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A♯ Minor Major 7th

Also Known As
What are Enharmonics?A♯ / B♭ Equivalent

Hear the A♯ Minor Major 7th chord played for you.

A♯m(maj7)
A♯ – C♯ – F – A
Formula:R-m3-P5-M7
Intervals:P1-m3-P5-M7
Scale Degrees:1-b3-5-7

Introduction

A♯ Minor Major 7th on the piano — Notes: A♯ – C♯ – F – A
A♯ Minor Major 7th chord on the piano

The A♯ Minor Major 7th chord is a four-note chord made up of A♯, C♯, F, and A. It is built from a root, minor third, perfect fifth, and major seventh.

The A# Minor Major 7th piano chord (A#mMaj7) consists of the notes A#, C#, F, A. It is a minor triad with an added major 7th, giving it a dark and complex character with strong tension, often used in jazz and minor key progressions. Formula: R-m3-P5-M7 | Scale degrees: 1-b3-5-7.

Notes

Notes:A♯ – C♯ – F – A

A♯ Minor Major 7th Inversions

PositionNotes
Root PositionA♯ – C♯ – F – A
1st InversionC♯ – F – A – A♯
2nd InversionF – A – A♯ – C♯
3rd InversionA♯ – C♯ – F – A

Key Signature

The key of A# Minor Major 7th has 7 sharps.

F♯C♯G♯D♯A♯E♯B♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

FCGDAEB

Mnemonic: Father Charles Goes Down And Ends Battle

Chords in the Key of A♯ Minor

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

C
D
E
F
G
A
B
C
D
E
F
G
A
B
iA♯ Minor (minor)
DegreeNumeralChordQuality
1iA♯ MinorMinor
2ii°C DiminishedDiminished
3IIIC♯ MajorMajor
4ivD♯ MinorMinor
5vF MinorMinor
6VIF♯ MajorMajor
7VIIG♯ MajorMajor

Theory: Intervals

Formula: R-m3-P5-M7
Intervals: P1-m3-P5-M7

The A♯ Minor Major 7th is built by stacking intervals from the root note. The formula R-m3-P5-M7 describes the scale degrees used. The intervals P1-m3-P5-M7 show the distance between each note in the chord.

A♯ Minor Major 7th — Frequently Asked Questions

What notes are in the A# Minor Major 7th chord?
A# Minor Major 7th is built from the A# root. Check the interactive keyboard above for exact notes and fingering.
How is the A# Minor Major 7th chord used in music?
A# Minor Major 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Minor Major 7th).
What is the fingering for A# Minor Major 7th?
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 Major 7th?
Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.
Why does A# Minor Major 7th sound so tense?
The minor third and major seventh are only a semitone apart when inverted, creating dramatic tension.

Practice Tips

  • Play A#m then add the major 7th — hear the dramatic tension.
  • The descending chromatic line is one of the most famous chord movements.
  • Compare with A#m7.
  • Film noir and spy theme sound.
  • Harmonic minor i chord.
  • The tension between minor 3rd and major 7th defines this chord.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.