Build the sound
Play F – A♭ – C♭ – E𝄫 individually, then choose a shell voicing above. Sing the highest note before playing the chord.
Voicings · F°7 · Guitar
F°7 voicings on guitar
F°7 is spelled F – A♭ – C♭ – E𝄫 (1 ♭3 ♭5 𝄫7) — passing chords between diatonic chords, and as a 7♭9 without its root. Here are 3 ways to voice it on guitar: drop 2, drop 3, shell. Every diagram is playable — press play to hear the chord, or “roll it” to hear the voices one by one, low to high.
The voicings
3 ways to play F°7.
SoundRoot in gold, other voices in teal. Tap any note.
Drop 2
C♭ · F · A♭ · E𝄫Take the close voicing and drop its second-highest voice an octave. The most-used four-note voicing on guitar and in piano left hands. Strings A-D-G-B, frets 2-3-1-3.
Drop 3
A♭ · F · C♭ · E𝄫Drop the third-highest voice of the close voicing an octave: a wide, open sound. Strings E-D-G-B, frets 4-3-4-3.
Shell (1–7–3)
F · E𝄫 · A♭Root, seventh and third only. The fifth is dropped — it adds nothing to the chord's identity — leaving a light, clear voicing. Strings D-B-e, frets 3-3-4.
Your next 10 minutes
Make F Diminished 7th part of your playing
Change the top note
Compare the displayed voicings of F°7. Notice which note is highest in each. Repeat the two shapes with the smallest comfortable hand movement, leaving a beat of silence between them.
Comp with space
Play F°7 on beats 2 and 4 at 60 bpm for four bars, then on the “and” of beat 2 for four bars. Keep the same notes while changing the rhythm. Mute unused strings and test each fretted note for buzz.
Listen for this: The chord tones are F, A♭, C♭, E𝄫. passing chords between diatonic chords, and as a 7♭9 without its root. A fuller voicing is not automatically better: leave room for the melody and bass.
Understand the sound
F°7: from a pattern to a musical choice
What gives F°7 its identity?
Successive chord tones are separated by minor thirds. The seventh is a diminished seventh, not a major sixth in the chord’s theoretical spelling, even when they share a piano key.
Here the third is A♭, and degree 𝄫7 is E𝄫. Play F in the bass and compare these voices individually before combining them.
Choose a useful voicing
Start with the smallest displayed shape you can play cleanly. Move its highest note into a comfortable register and listen for a clear melody above the chord.
Sound the strings separately before playing them together. If a note is muted, adjust the finger angle instead of squeezing harder.
Your guitar checkpoint
Start with F on string 6, fret 1. The next note A♭ is on string 6, fret 4. Name both notes aloud before playing, then find the same two pitches in another octave.
Before moving on, close the diagram and name the notes: F · A♭ · C♭ · E𝄫. Then play a two-bar phrase from memory and leave two bars of silence.
Behind the voicings
Every F°7 chord tone on the fretboard.
Reference
F°7 — chord tones & function.
| Chord tone | Note | Interval |
|---|---|---|
| 1 | F | unison |
| ♭3 | A♭ | minor 3rd |
| ♭5 | C♭ | diminished 5th |
| 𝄫7 | E𝄫 | diminished 7th |
Arpeggio: F°7 arpeggio on guitar. Scale: F Diminished (whole–half).
Take it to the bandstand.Practice Radio streams endless changes to comp F°7 through all twelve keys, with the chord and scale shown live — plus ear-training and call & response modes.
▶ Open Practice RadioCommon questions
F°7 voicings FAQ.
What notes are in F°7?
F, A♭, C♭, E𝄫 — chord tones 1 ♭3 ♭5 𝄫7.
What is the easiest F°7 voicing on guitar?
The shell voicing (root, seventh, third) on strings D, B, e: three notes, one comfortable shape, and it still sounds unmistakably like F°7.
What is a drop-2 voicing?
Start from the close voicing F A♭ C♭ E𝄫 and drop the second note from the top an octave: C♭ – F – A♭ – E𝄫. It spreads the chord so it fits the hand — and on guitar it fits four adjacent strings.
Where does F°7 appear?
F°7 is passing chords between diatonic chords, and as a 7♭9 without its root. Its character is symmetrical, restless.
Keep going
Diminished 7th voicings in every other key.
Same chord on piano · Diminished 7th hub.
Other chords from F