F♯ diminished major 7th chord on ukulele (F♯dimMaj7)

Also called or written F♯dimMaj7, F♯dimM7, F♯°M7, F♯ augmented minor seventh or F♯ minor seventh sharp five

F♯ diminished major 7th contains F♯, A, C and E♯. The only supplied shape is the F♯dimM7/E♯ inversion at 10-9-8-9, with E♯ in the bass.

8frE♯ACF♯GCEA

F♯dimM7/A inversionfrom fret 8

Practice F♯ diminished major 7th chord

How it is built

F♯RootAMinor thirdCDiminished fifthE♯Major seventh

Formula 1, ♭3, ♭5, 7

Inversions
  • Root positionF♯–A–C–E♯F♯dimMaj7no shape on this instrument
  • First inversionA–C–E♯–F♯F♯dimMaj7/A10-9-8-9
  • Second inversionC–E♯–F♯–AF♯dimMaj7/Cno shape on this instrument
  • Third inversionE♯–F♯–A–CF♯dimMaj7/E♯10-9-8-9

How do you play an F♯ diminished major 7th chord on ukulele?

F♯ diminished major 7th is played at the 8th fret as 10 9 8 9: pinky finger on the G string at fret 10, middle finger on the C string at fret 9, index finger on the E string at fret 8 and ring finger on the A string at fret 9.

Full note and interval breakdown
StringFretFingerNote
4 (G)104E♯ (7)
3 (C)92A (♭3)
2 (E)81C (♭5)
1 (A)93F♯ (1)

AdvancedThe pinky must reach fret 10 on the G string while the ring finger holds fret 9 on the A string, a one-fret stretch.

Why it sounds like that

F♯ diminished major 7th is built 1, ♭3, ♭5, 7. The diminished 5th between F♯ and C is a tritone, and the major 7th E♯ is a leading tone to F♯. Compare it with F♯ minor 7th flat 5th, which has E instead of E♯.

What goes wrong with F♯ diminished major 7th?

  • Letting the pinky flatten and deaden the A string.
  • Pressing the index finger too far from the fret, causing the E string to buzz.

When to use it

F♯ diminished major 7th works as a passing chord in F♯ minor, resolving to F♯ minor or F♯ major. Its leading tone suits jazz and whole-half scale runs.

Changing to and from F♯ diminished major 7th

  • Slide the shape down one fret to the 9th fret to reach F diminished major 7th.

Which voicing to use

The F♯dimM7/E♯ inversion puts E♯ in the bass, creating a tense sound with the leading tone on the bottom. No root-position shape is supplied.

Other F♯ chords

Common questions

How is F♯ diminished major 7th written?

F♯ diminished major 7th is written F♯°M7 or F♯dimM7. The ASCII root spelling is F#. It is also spelled G♭ in enharmonic notation for the same sounding root.

What is the difference between F♯ diminished major 7th and F♯ minor 7th flat 5th?

F♯ diminished major 7th has a major 7th, E♯. F♯ minor 7th flat 5th has a minor 7th, E.

Why does F♯ diminished major 7th use E♯ instead of F?

F♯ diminished major 7th uses E♯ because the major 7th from F♯ is eleven semitones, and E♯ is the correct spelling in an F♯ context.