Chord Colors

A sharp seven suspended four chord
PianoGuitar

About the A sharp seven suspended four chord

A sharp seven suspended four is used in G sharp Major, where every note it holds is a scale tone. Think of it as an A♯ dominant seventh suspended fourth chord.

Its notes are A♯, D♯, E♯, and G♯. The intervals are a perfect fourth, a perfect fifth, and a minor seventh.

Also called 7sus. B flat seven suspended four spells the same notes enharmonically.

Learn more about the A♯7sus4 chord

Inversions

Position 1 of 4

A sharp seven suspended four (root position)

Notes and intervals

1A#A♯Root
2D#D♯Perfect 4th
3E#E♯Perfect 5th
4G#G♯Minor 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 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 chordA sharp minor major seven flat 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.

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 major 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

E seven suspended four chord Learn more about Tritone substitution

The tritone substitution is a dominant chord a tritone away that shares the same tension, so it can stand in for this chord and resolve the same way.

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A♯7sus4 chord on piano shown as colored note dots
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