A# Diminished Guitar Chord

A#° Triads · 3 notes ·Symbol : °

Chord Notes

Bb R
Db ♭3
E ♯11

Solfège : Sib – Réb – Mi

Chord Structure

Bb T+½ Db T+½ E

About this chord

The diminished chord stacks two minor thirds, creating expressive harmonic instability. On guitar, its compact shape moves easily across the neck in 3-semitone intervals (symmetry). Found in classical music, jazz, and metal, it generates tension that begs for resolution.

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Same chord in other keys