F Diminished Guitar Chord

Triads · 3 notes ·Symbol : °

Chord Notes

F R
Ab ♭3
B ♯11

Solfège : Fa – Lab – Si

Chord Structure

F T+½ Ab T+½ B

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