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Chord Finder Chord Analyzer Guitar Chord Chart

Understanding the fretboard Intervals & chord construction Bye-bye b7! Voicings I Voicings II Diatonic Chords I Diatonic Chords II Extensions and Modifications

Major chords I - C A G E D Major chords II - barre chords Major chords III - modern Minor chords Minor seventh chords (m7) Slash chords I Dominant 7th chords (V7) Maj7 chords Diminshed (dim) & Half Diminished (m7b5) Altered dominant 7th chords (V7alt) Sus and Add chords Sixth chords Slash chords II

Chord Progression Matrix Modern Major Chords
I - IV - V 4 chords - countless songs
I - V - VIm - IV 4 chords - variation
VIm - IV - I - V Pop/Rock ballads with descending bass Minor 7th
I - IIIm7 - VIm7 - IV Sus chords
IIm - IIm7 - Vsus4 - V Let's get funky!
IIm7 V7 The Two-Five-One Progression
IIm7 - V7 - Imaj7 Two-Five-One in minor
IIm7b5 - V7 - Im7 Two-Five-One with altered V7 chord
IIm7 - V7alt - Imaj7 Slash chords - various progressions

Intervals Basic major chords Major and minor chords Complementary intervals sus4 and sus2 chords Triads Slash chords Minor 7th chords (m7) Diatonic chords Dominant 7th chords (V7) V7 and m7 chords V7 and maj7 chords V7, m7 and maj7 chords Diminished & half-diminished 6, 6/9 and add9 chords 9, m9 and maj9 chords 9, 11, 13, sus9, sus13 Altered dominant 7th chords (V7alt) Mixed chord extentions Substitutions

Ddim guitar chord chart with explanation

Ddim

Ddim

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C “diminished”. The abbreviation dim or dim7 (respectively ° or °7) stands for a diminshed or diminished 7th chord. To get a diminished chord you can take a minor chord and lower the 5th by a half step (1 fret) to a diminished 5th (b5, „flat 5“). Alternatively you can stack two minor thirds on top of the root: e.g. root C (1), minor 3rd Eb (m3) and another minor 3rd on top of that is Gb (b5).

In practise the diminished chord is usually played with a diminished 7th. So if a chord is just named dim, you can read it as dim7. The diminished 7th (dim7) again is a minor 3rd away from the b5. Consequently a Cdim is normally played with the 4 chords:
C (1), Eb (m3), Gb (b5) and Bbb (dim7).
The diminished 7th Bbb is effectively the same tone as the 6th A.

Since the dim7 chord is based on just minor 3rds, it is completely symmetric. As a result the four chords Cdim7, Ebdim7, Gbdim7 and Adim7 have exactly the same chord tones. You can normally play all of them where only one of them is written.

The diminished chord mostly occurs as passing chord between two chords a whole-step away, e.g. Bmaj7 1dim7 Dbm7 Ddim7 Ebm7 Ab7(b9) Dbm7 Gb13 B6/9 …

In the blues form (especially the modified jazz blues) a diminished chord is often added a half-step above the IV7 chord. In a blues in F:
| F7 | Bb7 Bdim7 | F7 | |
| Bb7 | Bdim7 | F7 | | …