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Guitar chords · Diminished 7th

F°7 chord on guitar (Fdim7)

F°7 (F ) has four notes: F, A♭, C♭ (played as B) and E𝄫 (played as D), the , ♭3, ♭5 and 𝄫7.

Shapes

How to play F°7

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°7 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♭3𝄫7RFC♭FA♭E𝄫F
  • A shape · fret 8

    7fr××R♭5𝄫7♭3FC♭E𝄫A♭
Name a shape you're holding: the chord finder

Notes and formula

What makes F°7 diminished 7th

A chord stacks three minor 3rds, so every note is the same distance from the next. It is the vii°7 of the and pulls hard to the chord a above its .

  • 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, the ♭5th and the 𝄫7th make F°7 a chord.

  1. FRroot
  2. A♭♭3essential
  3. C♭♭5essential
  4. E𝄫𝄫7essential
EADGBE0135791215FFFFFFFFFA♭C♭E𝄫C♭E𝄫A♭C♭E𝄫A♭C♭E𝄫A♭C♭E𝄫A♭C♭E𝄫A♭C♭E𝄫A♭C♭E𝄫
  • F, the root
  • Other chord tones

F°7 usually resolves up a to G♭ or F♯m, the chord it leads into. Its four notes are evenly spaced, so the same shape also works as G♯°7, B°7 and D°7, leading to A, C and E♭.

Keys

Keys with F°7

F°7 belongs to one key: F♯ minor (vii°7, spelled E♯°7, ).

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°7 over another bass note

A keeps F°7 on top and puts another note in the bass: the letter after the slash is the lowest note you play.

  • F°7/A♭

    F°7 with its ♭3rd, A♭, in the bass: the first inversion.

  • F°7/C♭

    F°7 with its ♭5th, C♭, in the bass: the second inversion.

  • F°7/E𝄫

    F°7 with its 𝄫7th, E𝄫, in the bass: the third inversion.

Questions

F°7, in short

What notes are in the F°7 chord?
F°7 (F ) has four notes: F, A♭, C♭ (played as B) and E𝄫 (played as D), the , ♭3, ♭5 and 𝄫7.
How do you play F°7 on guitar?
F°7 has no common . Play it as the E shape at 1 or the A shape at fret 8.
What key is F°7 in?
F°7 belongs to one key: F♯ minor (vii°7, spelled E♯°7, ).
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