Piano · Level 6 · Intermediate

Diminished passing chords on Piano

I–♯i°7–ii7–V7 in all 12 keys.

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THE SHORT ANSWER

A diminished seventh chord a half step above I connects it smoothly to ii. It is a staple of jazz, gospel and old-time songs.

Choose a key

Listen first: C major

C

C major

Notes: C · E · G

Left hand: C2

C♯dim7

C♯ diminished seventh

Notes: C♯ · E · G · B♭

Left hand: C♯2
♯♭

Dm7

D minor seventh

Notes: D · F · A · C

Left hand: D2

G7

G dominant seventh

Notes: G · B · D · F

Left hand: G2
1
C
2
C♯dim7
3
Dm7
4
G7

Why it works

♯i°7 works like a V7♭9 of ii without its root, so it resolves naturally to ii.

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