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Jazz · Advanced · major key

Diminished passing chord (I–#i°7–ii–V)

I – ♯i°7 – ii – V — A diminished chord fills the gap between I and ii — old-time, swinging and smooth.

JazzAdvancedMajor key4 chords

Easiest guitar key: G major

GIG#dim7♯i°7AmiiDV

Chord shapes in G major (standard tuning)

G chord — EADGBE tuning (3-2-0-0-0-3)GGBDGBG
3-2-0-0-0-3
G#dim7 chord — EADGBE tuning (4-X-3-4-3-X)G#dim7××G#FBD
4-X-3-4-3-X
Am chord — EADGBE tuning (X-0-2-2-1-0)Am×AEACE
X-0-2-2-1-0
D chord — EADGBE tuning (X-X-0-2-3-2)D××DADF#
X-X-0-2-3-2

Using a different tuning? Open it in the Looper — it finds playable shapes for whatever tuning you choose.

How the chords work

Written in Roman numerals, this progression is I – ♯i°7 – ii – V — in C major that is C – C#dim7 – Dm – G. Each numeral is a step of the scale; upper case is a major chord, lower case minor.

Diminished passing chord (I–#i°7–ii–V) in all 12 keys

KeyChordsHear / play
C major
CC#dim7DmG
Looper
G major
GG#dim7AmD
Looper
D major
DD#dim7EmA
Looper
A major
AA#dim7BmE
Looper
E major
EFdim7F#mB
Looper
B major
BCdim7C#mF#
Looper
F# major
F#Gdim7G#mC#
Looper
Db major
DbDdim7EbmAb
Looper
Ab major
AbAdim7BbmEb
Looper
Eb major
EbEdim7FmBb
Looper
Bb major
BbBdim7CmF
Looper
F major
FF#dim7GmC
Looper

Practice ideas

Similar progressions

← I–I+–vi–IV (augmented passing) · I6–vi7 swing vamp →

← All 198 chord progressions · Generate a new one

Questions

What chords are in the I – ♯i°7 – ii – V progression?

In G major: G – G#dim7 – Am – D. In C major / A minor: C – C#dim7 – Dm – G. The table on this page lists all 12 keys.

What is the best key to play I – ♯i°7 – ii – V on guitar?

G major uses the most open-position chord shapes in standard tuning. Use a capo with those shapes to reach other keys.

Alternate tuning chords

More tunings

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