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Guitar chords · Diminished

F° chord on guitar (Fdim)

F° (F ) has three notes: F, A♭ and C♭ (played as B), the , ♭3 and ♭5.

Shapes

How to play F°

Strum a shape to hear it, or pick it one string at a time. R marks the ; the other numbers are the chord tones.

F° has no common . Play it as the E shape at 1 or the A shape at fret 8. A keeps its fingering anywhere on the neck: slide it up or down and the , on the lowest played string, names the chord.

  • E shape · fret 1

    ××R♭5R♭3FC♭FA♭
  • A shape · fret 8

    8fr××R♭5R♭3FC♭FA♭
Name a shape you're holding: the chord finder

Notes and formula

What makes F° diminished

A chord stacks two minor 3rds, so its 5th is a flat. It sounds tense and unstable and is usually a passing chord; in a major key it is the vii° chord.

  • 1Root: the note the chord is named after. Keep it.
  • 3Essential: makes the chord what it is. Never drop it.
  • 5Optional: drop it first when you run out of fingers.

The ♭3rd and the ♭5th make F° a chord.

  1. FRroot
  2. A♭♭3essential
  3. C♭♭5essential
EADGBE0135791215FFFFFFFFFA♭C♭C♭A♭C♭A♭C♭A♭C♭A♭C♭A♭C♭A♭C♭
  • F, the root
  • Other chord tones

F° usually resolves up a to G♭ or F♯m, the chord it leads into.

Keys

Keys with F°

F° belongs to three keys: G♭ major (vii°), F♯ minor (vii°, spelled E♯°, ) and E♭ minor (ii°).

Numerals follow the key's own scale, so III, VI and VII in a minor key are its own major chords. A ♭ or ♯ in front marks a chord from outside the key. How Roman numerals work

Slash chords

F° over another bass note

A keeps F° on top and puts another note in the bass: the letter after the slash is the lowest note you play.

  • F°/A♭

    F° with its ♭3rd, A♭, in the bass: the first inversion.

  • F°/C♭

    F° with its ♭5th, C♭, in the bass: the second inversion.

Questions

F°, in short

What notes are in the F° chord?
F° (F ) has three notes: F, A♭ and C♭ (played as B), the , ♭3 and ♭5.
How do you play F° on guitar?
F° has no common . Play it as the E shape at 1 or the A shape at fret 8.
What key is F° in?
F° belongs to three keys: G♭ major (vii°), F♯ minor (vii°, spelled E♯°, ) and E♭ minor (ii°).
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