Standards · 1935

It Ain't Necessarily So chords & key

Key
G minor
Form
AABA
Bars
32
Groove
Medium swing
Time signature
4/4
Year
1935

“It Ain't Necessarily So” is a jazz standard by George Gershwin from 1935. It is usually played in G minor as a medium swing, and the 32-bar AABA form has 4 sections. Harmonically it contains 3 major ii–V–I cadences, uses 14 different chords and moves between the key centres A♭ major, G major and F major. In this atlas it appears on 12 album tracks.

Chord changes

Showing in: Concert (C) — G minor

A
×2
Gm7C7
Gm7C7
Gm7C7
Gm7C7
C7D♭7
C7D♭7
A7♭9♯5D7♯9
Gm7C7
B
B♭m7E♭7
A♭maj7
Am7D7
Gmaj7
Gm7C7
Fmaj7
A7
D7♭13
A
Gm7C7
Gm7C7
Gm7C7
Gm7C7
C7D♭7
C7D♭7
A7♭9♯5D7♯9
Gm7C7

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

Harmonic analysis

3Major ii–V–I
0Minor ii–V–i
18ii–V moves
0Tritone substitutions
4Dominant chains
14Different chords

Most used chords

  • C7×22
  • Gm7×16
  • D♭7×6
  • A7♭9♯5×3
  • D7♯9×3
  • B♭m7×1

Key centres reached by ii–V

A♭ major, G major and F major

Characteristics

  • AABA song form

History

"It Ain't Necessarily So" is a popular song with music by George Gershwin and lyrics by his brother Ira Gershwin. The song comes from the Gershwins' opera Porgy and Bess (1935) where it is sung by the character Sportin' Life, a drug dealer, who expresses his doubt about several statements in the Bible. The song's melody also functions as a leitmotif for Sportin' Life's character.

Read the full article on Wikipedia ↗ · From Wikipedia, the free encyclopedia (CC BY-SA 4.0)

Recorded on these albums

Frequently asked questions

What key is It Ain't Necessarily So in?

It Ain't Necessarily So is usually played in G minor. For B♭ instruments that is A minor, for E♭ instruments E minor.

Who wrote It Ain't Necessarily So?

It Ain't Necessarily So was written by George Gershwin (1935).

What is the form of It Ain't Necessarily So?

It Ain't Necessarily So has 4 sections (AABA) with 32 bars in total.

How fast is It Ain't Necessarily So played?

The usual groove is Medium swing.

What are the chord changes to It Ain't Necessarily So?

The opening bars are Gm7 C7 | Gm7 C7 | Gm7 C7 | Gm7 C7. The full chart above can be transposed to any key.