About the A sharp augmented suspended four chord
A sharp augmented suspended four is used in D♯ Dorian, where its notes spell the i chord. Think of it as an A♯ augmented suspended fourth chord.
Its notes are A♯, D♯, and F♯. The intervals are a perfect fourth and an augmented fifth.
Also called B flat augmented suspended four, which spells the same notes enharmonically. In shorthand it is commonly written A#augsus4.
Positions
No stored guitar shape for this voicing yet. Build it from A♯, D♯, F♯.
Notes and intervals
| 1 | A sharp | Root |
|---|---|---|
| 2 | D sharp | Perfect 4th |
| 3 | F sharp | Augmented 5th |
Shapes
Chromatic
Circle of Fifths
Keys that use A sharp augmented suspended four
A sharp augmented suspended four is diatonic to these keys, where its notes spell the chord shown.
iD sharp Dorian scaleiD sharp Phrygian scaleiD sharp Natural Minor scaleiD sharp Harmonic Minor scaleiD sharp Melodic Minor Ascending scaleiD sharp Dorian ♭2 scaleiD sharp Dorian ♯4 scaleiD sharp Phrygian ♭4 scaleiD sharp Lydian Diminished scaleiiC sharp Major scaleiiC sharp Dorian scaleiiC sharp Mixolydian scale
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 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
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