Chord Colors

A sharp minor major seven flat five chord
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About the A sharp minor major seven flat five chord

A sharp minor major seven flat five sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as an A♯ minor-major seventh flat five chord.

Its notes are A♯, C♯, E, and A. The intervals are a minor third, a diminished fifth, and a major seventh.

Also called diminished major seventh and dim(maj7). B flat minor major seven flat five spells the same notes enharmonically. In shorthand it is commonly written A#mMaj7b5.

Learn more about the A♯mMaj7♭5 chord

Positions

Position 1 of 4

Notes and intervals

1A#A♯Root
2C#C♯Minor 3rd
3EEDiminished 5th
4AAMajor 7th

Shapes

Chromatic

CC♯D♭DD♯E♭EFF♯G♭GG♯A♭AA♯B♭B

Circle of Fifths

CGDAEBF♯G♭C♯D♭G♯A♭D♯E♭A♯B♭F

Other A sharp chords

Simpler triads

A sharp five chordA sharp major chordA sharp minor chordA sharp diminished chordA sharp augmented chord

Suspended

A sharp suspended two chordA sharp suspended four chordA sharp seven suspended four chordA sharp nine suspended four chordA sharp thirteen suspended four chord

Sixths and sevenths

A sharp six chordA sharp minor six chordA sharp minor flat six chordA sharp seven chordA sharp major seven chordA sharp minor seven chordA sharp minor seven flat five chordA sharp diminished seven chordA sharp minor major seven chordA sharp major seven flat five chordA sharp major seven sharp five chord

Extensions

A sharp nine chordA sharp add nine chordA sharp major nine chordA sharp minor nine chordA sharp eleven chordA sharp thirteen chordA sharp six nine chordA sharp minor add nine chordA sharp major eleven chordA sharp major thirteen chordA sharp minor eleven chordA sharp minor thirteen chordA sharp minor six nine chordA sharp minor major nine chordA sharp minor major eleven chord

Altered

A sharp seven sharp five chordA sharp seven flat five chordA sharp seven flat nine chordA sharp seven sharp nine chordA sharp nine flat five chordA sharp nine sharp eleven chordA sharp nine sharp five chord

Functional relationships

These chords are where this one most naturally comes from and resolves to inside a key.

Relative major

C sharp major chord Learn more about Relative major

The relative major uses the same notes and key signature, so it works as a brighter home base.

Parallel major

A sharp major chord Learn more about Parallel major

The parallel major keeps the same root note but raises the third, giving the same key a brighter, happier sound.

Dominant

F major chord Learn more about Dominant

The dominant is a fifth above the root, and it builds tension that pulls strongly back to this chord.

Subdominant

D sharp minor chord Learn more about Subdominant

The subdominant is a fourth above the root (a fifth below), and it usually leads on to the dominant or back home.

Tritone substitution

B seven chord Learn more about Tritone substitution

The tritone substitution stands in for this chord's dominant with a dominant seventh a half step above the root, which slides down by a half step to resolve here.

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A♯mMaj7♭5 chord on guitar shown as colored note dots
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