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  • Minor
    Guitar chord diagrams and chord theory. This is the Chord Section of Olav Torvund's Guitar Site.
    Modified: Jan 8 2008
  • Minor
    Guitar chord diagrams and chord theory. This is the Chord Section of Olav Torvund's Guitar Site.
    Modified: Jan 8 2008
  • 6
    Guitar chord diagrams and chord theory. This is the Chord Section of Olav Torvund's Guitar Site.
    Modified: Jan 4 2008
  • Sonic shapes
    Guitar chord diagrams and chord theory. This is the Chord Section of Olav Torvund's Guitar Site.
    Modified: Jan 4 2008
  • Major
    Guitar chord diagrams and chord theory. This is the Chord Section of Olav Torvund's Guitar Site.
    Modified: Jan 4 2008
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Fdim

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The Fdim-chord

Find chord shapes

Cdim C#dim/Dbdim Ddim D#dim/Ebdim Edim Fdim F#dim/Gbdim Gdim G#dim/Abdim Adim Bbdim Bdim

Go to the dim chord page for general information on the dim chord.

Fdim has the notes F-Ab-Cb.

In diatonic contexts, you will meet the Fdim as the VIIdim chord in the key Gb-major. If you should happen to play in F#-major, which is enharmonic with Gb-major, you will meet exactly the same chord as E#dim. The spelling of the E#dim would be E#-G#-B. None of these keys are among the favorite keys for guitar players - or players on other instruments for that matter. In the following I will only refer to Fdim, and not the enharmonic E#dim.

It is more likely that you will meet the Fdim triad as part of the Db7 chord, than as a pure Fdim chord. Fdim can be seen as Ab7 with the root omitted, and you will sometimes see chords labeled Db7 that really are Fdim.

You can also meet the Fdim as the IIdim chord in Eb-minor. This holds for natural minor, harmonic minor and descending melodic minor. In ascending melodic minor, the sixth is raised one half step, and the diatonic II chord would be a major chord. In Eb-minor it would be F. In harmonic minor and ascending melodic minor, we will also meet the dim chord as VIIdim. We can have Fdim as VIIdim in Gb-minor. It is more likely that a guitar player will be in F#-minor than in Gb-minor, and we will then meet the same chord as E#dim. But again we will probably meet the triad as part of a 7th chord, which would be Db7 or the enharmonic C#7.

Open chord fingerings
Even though you may play a few open strings, there are really no open fingerings for dim-chords

Barré chord fingerings
There are no really barré chord fingerings either.

Closed positions
For the diminished triads, I do not separate the adjacent string voicings and the skip-string voicings.
Voicing: 3b-5b-1 Voicing: 1-3b-5b-1 Voicing: 1-3b-5b
The first chord is the D7-shape. When you finger only these three notes, you drop the root from the 7th chord, and ends up with the diminished triad. It is still the basic D7-shape, but in the first we have added the root on the 6th string, and in the second we have dropped the root on the 1st string.
Voicing: 1-5b-3b Voicing: 5b-1-3b Voicing: 1-5b-1-3b Voicing: 3b-5b-1-3b
This shape is connecting to the D7-shape based chord on the frets below. You should recognize this as the D-minor shape. These are the two previous chords combined, and given with two different fingerings. You should see how this is built from a D-minor shape, but is climbing up the neck.
Voicing: 3b-5b-1 Voicing: 3b-5b-1-5b Voicing: 3b-1-5b
This is based on what I have called the Middle D-shape. You should see how it connects to the chords one fret below. Here we have just added another 5bth. These chords are very often used as 7th without roots in Freddie Green style jazz comping.

All Blues for Jazz Guitar


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Artist: Jim Ferguson
Book of the Month 2003-02
Comping Styles, Chords & Grooves

Destined to become a classic, this book is the natural result of not only years of playing jazz guitar but also of the author's long associations with many innovative jazz guitarists. This comprehensive guide is one of the first jazz methods to focus entirely on the blues idiom and its contribution to jazz improvisation. It is designed to help you play authoritatively in a broad spectrum of jazz guitar settings from big band to small combos to a solo context. This book is divided into 4 sections which addresses 12-bar blues progressions, 3-note Freddie Green-type chords, shuffles, swing riff comping, chord scales, linear bebop comping, modal concepts, triads over bass notes and a wealth of chord voicings and inversions. Includes over 110 music examples, 45 complete 12-bar choruses, and a CD with 30 tracks. It also offers a helpful glossary of jazz terminology. Written in standard notation and tablature.

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Level: , 92 pages RefNr: MB96842BCD
Format: Method Medium: Book/CD
Series: Publisher: Mel Bay
Voicing: 3b-5b-1 Voicing: 5b-1-3b Voicing: 3b-5b-1-3b
The first group of chords are built from the sonic shapes Top Triangle and Bottom Triangle, and then they are combined. You should also see the relationship with the A7-shape. Then the next chord is once again the Root position diminished triad, which shows the connections further up the neck. Voicing: 1-3b-5b
Voicing: 5b-1-3b Voicing: 1-3b-5b Voicing: 3b-1-5b Voicing: 5b-1-3b-1 Voicing: 1-3b-1-5b
The two building blocks in these chord positions are the D-minor shape and the A7-shape. From there you should also see the relationship with the 7th chord. The Fdim is contained in the Db7 chord.
Voicing: 1-3b-5b Voicing: 5b- 1-3b Voicing: 1-5b- 1-3b Voicing: 3b-5b- 1-3b Voicing: 3b-5b- 1-3b Voicing: 3b-5b- 1
This is the basic Root position diminished triad on 3rd, 2nd and 1st string. This is a well known chord shape - the D-shape in a not so well known position. Listen to and take a look at Robert Johnson's Kind Hearted Woman Blues for an example where this chord is used very nicely in combination with a major chord one fret above. (The song is in A-major, and the chords are A and Cdim). The next four chords are built around the D-shape or a partial D-shape.
Voicing: 1-3b-5b Voicing: 3b-1-5b Voicing: 3b-1-5b
This is the basic Root position diminished triad on 6th, 5th and 4th string. You can recognize this as an E7-shape. The second has an added root note on the 1st string. The root on the 6th string in the first and on the 6th string in the third chord in this group, connects to the chords in the next position up the neck. The last chord gives a partial D7-shape on 1st and 2nd string, a position to build from further up the neck.
Voicing: 3b-5b-1 Voicing: 1-3b-5b-1 Voicing: 1-3b-5b
The first two chords are the D7-shape. When you finger only these three notes, you drop the root from the 7th chord, and ends up with the diminished triad. It is still the basic D7-shape, but in the first we have added the root on the 6th string, and in the second we have dropped the root on the 1st string.
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