Standards

It's A Good Day chords & key

Key
C major
Form
AABA
Bars
64
Groove
Medium-up swing
Time signature
4/4

“It's A Good Day” is a jazz standard by Peggy Lee. Most bands play it in C major, medium-up swing; the tune runs 64 bars in AABA form. Harmonically it contains 6 major ii–V–I cadences, uses 10 different chords. In this atlas it appears on 3 album tracks.

Chord changes

Showing in: Concert (C) — C major

A
×2
C6
C6
C6
C6
Dm7
G7
C6
C6
C6
C6
C6
C6
Dm7
G7
C6
C6
B
C7
C7
F
F
D7
D7
G7
G7
C6
D♭dim7
G7/D
E♭dim7
Em
E♭dim7
Dm7
D♭dim7
A
C6
C6
C6
C6
Dm7
G7
C6
C6
C6
C6
C6
C6
Dm7
G7
C6
C6

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

Harmonic analysis

6Major ii–V–I
0Minor ii–V–i
6ii–V moves
0Tritone substitutions
1Dominant chains
10Different chords

Most used chords

  • C6×37
  • G7×8
  • Dm7×7
  • C7×2
  • F×2
  • D7×2

Characteristics

  • AABA song form

Recorded on these albums

1973 Sittin’ on Top of the World
Dean Martin · “It’s a Good Day”
1999 The Legendary Bing Crosby
Bing Crosby · “It's a Good Day”
2026 Too Marvelous For Words
Peggy Lee · “It's a Good Day”

Standards with similar changes

Similarity of the chord progression, independent of key.

TitleComposerKeyFormGroove
L.O.V.E. 38% Gabler-Kaempfert G major ABAC · 32 Medium swing
52nd Street Theme 27% Thelonious Monk C major AABA · 32 Up-tempo swing
He's A Tramp 27% Lee-Burke G major AABA · 32 Medium swing
Exactly Like You 25% Jimmy McHugh C major AABA · 32 Medium swing
La Vie En Rose 23% Guglielmi-Piaf-David C major ABC · 20 Ballad
Pennies From Heaven 23% Arthur Johnston C major AB · 32 Medium swing
A Blossom Fell 22% Barnes-Cornelius B♭ major AB · 20 Ballad
Down For Double 22% Freddie Green B♭ major AABA · 32 Medium-up swing

Frequently asked questions

What key is It's A Good Day in?

It's A Good Day is usually played in C major. For B♭ instruments that is D major, for E♭ instruments A major.

Who wrote It's A Good Day?

It's A Good Day was written by Peggy Lee.

What is the form of It's A Good Day?

It's A Good Day has 4 sections (AABA) with 64 bars in total.

How fast is It's A Good Day played?

The usual groove is Medium-up swing.

What are the chord changes to It's A Good Day?

The opening bars are C6 | C6 | C6 | C6. The full chart above can be transposed to any key.