A# Diminished 7th Guitar Chord
A#°7
7ths
·
4 notes
·Symbol : °7
Chord Notes
Bb
R
Db
♭3
E
♯11
G
13
Solfège : Sib – Réb – Mi – Sol
Chord Structure
Bb
T+½
Db
T+½
E
T+½
G
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.
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