A diminished seventh

Symbols:Adim7, A°7, Ao7
Notes:A, C, D#, F#

Similar Chords

The following chords are similar to this chord and may be a suitable replacement in certain scenarios.

Chord TypeChords
altered dominant 7thG#7alt, F7alt, D7alt, B7alt
diminishedF#dim, D#dim, Cdim, Adim
dominant 7thG#7, F7, D7, B7
half-diminished 7thF#m7(b5), D#m7(b5), Cm7(b5), Am7(b5)
minor 6thF#m6, D#m6, Cm6, Am6

Member Scales

This chord can be found in the following scales.

ScaleRoots
Dorian b5F#, D#, C, A
Harmonic MajorG, E, C#, Bb
Harmonic MinorG, E, C#, Bb
Locrian bb7F#, D#, C, A
Lydian Augmented #2F#, D#, C, A
Lydian b3F#, D#, C, A
Mixolydian b2G#, F, D, B
Phrygian b4G#, F, D, B

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Chord Charts

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