Standards

Is That So? chords & key

Key: C major
Form: A
Bars: 8
Groove: Medium-up swing
Time signature: 4/4

“Is That So?” is a jazz standard by Duke Pearson. Most bands play it in C major, medium-up swing; the tune runs 8 bars in A form. Harmonically it contains 2 major ii–V–I cadences, uses 37 different chords and moves between the key centres G major and B♭ major.

Chord changes

to key

Showing in: Concert (C) — C major

F^m7E♭^m9

B^maj7D♭^m9

A^maj7D^maj7

G^maj7

G♭^7♯5

F¹³

E^7♭9

E♭^maj7

A^m7D⁷

G^maj7

C^m7F⁷

B♭^maj7

A^7♯5

A♭¹³

G^7♭9

G♭^maj7

E♭^m7D♭^m7

A^maj7B^m9

G^maj7C^maj7

F^maj7

E^7♯5

E♭¹³

D^7♭9

D♭^maj7

G^m7C⁷

A♭^m7D♭⁷

A^m7D⁷

E♭^maj7

C^m7B♭^m9

G♭^maj7A♭^m9

E^maj7A^maj7

D^maj7F^maj7♯11

Changes as commonly played (concert pitch). Your band's version may differ.

Harmonic analysis

2Major ii–V–I

0Minor ii–V–i

5ii–V moves

3Tritone substitutions

0Dominant chains

37Different chords

Most used chords

A^maj7×3
G^maj7×3
D^maj7×2
E♭^maj7×2
A^m7×2
D⁷×2

Key centres reached by ii–V

G major and B♭ major

Frequently asked questions

What key is Is That So? in?

Is That So? is usually played in C major. For B♭ instruments that is D major, for E♭ instruments A major.

Who wrote Is That So??

Is That So? was written by Duke Pearson.

What is the form of Is That So??

Is That So? has 1 sections (A) with 8 bars in total.

How fast is Is That So? played?

The usual groove is Medium-up swing.

What are the chord changes to Is That So??

The opening bars are Fm7 Ebm9 | Bmaj7 Dbm9 | Amaj7 Dmaj7. The full chart above can be transposed to any key.