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F♯ augmented major 7th chord on ukulele (F♯augMaj7)
Also called or written F♯augMaj7, F♯augM7, F♯+M7, F♯M7#5, F♯maj+7, F♯ augmented major seventh or F♯ major seventh sharp five
F♯ augmented major 7th contains F♯, A♯, C♯♯, and E♯. The default voicing spans frets 6–8 and requires a stretch between the index and pinky.
How it is built
Formula 1, 3, ♯5, 7
- Root positionF♯–A♯–C♯♯–E♯F♯augMaj77-6-6-8
- First inversionA♯–C♯♯–E♯–F♯F♯augMaj7/A♯10-10-10-9
- Second inversionC♯♯–E♯–F♯–A♯F♯augMaj7/C♯♯7-6-6-8
- Third inversionE♯–F♯–A♯–C♯♯F♯augMaj7/E♯10-10-10-9
How do you play an F♯ augmented major 7th chord on ukulele?
F♯ augmented major 7th is played at the 6th fret as 7 6 6 8: ring finger on the G string at fret 7, index finger on the C string at fret 6, middle finger on the E string at fret 6 and pinky finger on the A string at fret 8.
Full note and interval breakdown
| String | Fret | Finger | Note |
|---|---|---|---|
| 4 (G) | 7 | 3 | C♯♯ (♯5) |
| 3 (C) | 6 | 1 | F♯ (1) |
| 2 (E) | 6 | 2 | A♯ (3) |
| 1 (A) | 8 | 4 | E♯ (7) |
AdvancedThe pinky must reach fret 8 on the 1st string while the index and middle fingers hold fret 6, requiring a wide stretch.
F♯augM7/A♯ inversion
F♯ augmented major 7th is played at the 9th fret as 10 10 10 9: middle finger on the G string at fret 10, ring finger on the C string at fret 10, pinky finger on the E string at fret 10 and index finger on the A string at fret 9.
Full note and interval breakdown
| String | Fret | Finger | Note |
|---|---|---|---|
| 4 (G) | 10 | 2 | E♯ (7) |
| 3 (C) | 10 | 3 | A♯ (3) |
| 2 (E) | 10 | 4 | C♯♯ (♯5) |
| 1 (A) | 9 | 1 | F♯ (1) |
Why it sounds like that
F♯ augmented major 7th is built from 1, 3, ♯5, and 7. The augmented 5th C♯♯ gives the chord its bright, tense quality. Compared to F♯ major 7th, only the fifth is raised a semitone.
What goes wrong with F♯ augmented major 7th?
- The pinky collapses and mutes the 1st string instead of fretting fret 8 cleanly.
- The index finger leans on the 4th string, causing fret 7 to buzz.
When to use it
F♯ augmented major 7th works as a passing chord in F♯ major progressions, such as F♯–B–C♯, the I–IV–V in F♯ major. F♯ augmented major 7th suits jazz and cinematic textures where the raised fifth adds tension. Try F♯ augmented major 7th before F♯ major or F♯ major 7th.
Changing to and from F♯ augmented major 7th
- Slide the shape down two frets to the 4th fret to reach E augmented major 7th.
Which voicing to use
The F♯augM7/D inversion places C♯♯ in the bass for a darker, unstable sound. The F♯augM7/F inversion, with E♯ in the bass, is brighter and more resolved.
Other F♯ chords
Common questions
How is F♯ augmented major 7th written?
F♯ augmented major 7th is written F♯+M7, M7#5, maj+7, or F♯augM7. 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♯ augmented major 7th and F♯ major 7th?
F♯ augmented major 7th has a raised fifth, C♯♯, while F♯ major 7th has C♯. The raised fifth creates a more dissonant, tense sound.
Why does F♯ augmented major 7th have no tritone?
F♯ augmented major 7th contains no tritone because the interval between A♯ and E♯ is a perfect fifth, not a diminished fifth.