A Diminished 7th Guitar Chord
A°7
7ths
·
4 notes
·Symbol : °7
Chord Notes
A
R
C
♭3
Eb
♯11
Gb
13
Solfège : La – Do – Mib – Solb
Chord Structure
A
T+½
C
T+½
Eb
T+½
Gb
About this chord
The diminished seventh chord stacks three minor thirds, dividing the octave into four equal parts. Its perfect symmetry lets it resolve to four different tonics. Only 3 distinct shapes cover all 12 keys, making it a surprisingly compact chord to master despite its harmonic complexity.
See all diagrams and fretboard positions for A Diminished 7th in the interactive ScalaBass app.
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