Chord progression · G major

The 12-bar blues (12-bar blues) in G major

Twelve bars built from the I, IV and V chords — usually as dominant 7ths for that bluesy bite. The last bar (the “turnaround”) sets up the next time through.

Heard in “Johnny B. Goode” – Chuck Berry, “Pride and Joy” – Stevie Ray Vaughan and many more.

Chords in G major
G7→C7→D7
Numerals
I7IV7V7

Play along

12 bars of 4 beats, looping · pick a key above to transpose

1G7I7
2G7I7
3G7I7
4G7I7
5C7IV7
6C7IV7
7G7I7
8G7I7
9D7V7
10C7IV7
11G7I7
12D7V7

Strum pattern: ↓   ↓↑  ↑↓↑ (down, down-up, up-down-up) — count “1 2 & 3 & 4 &”. Learn this strum →

The chords

I7 G7
3G2BDGB1F
G2D1F3B
GBC4DFG B D F
IV7 C7
×3C2E4B♭1CE
GCE1B♭
GCEB♭C7/G
V7 D7
××D2A1C3F♯
1A2D3F♯4C
ACDF♯D7/A

Piano voicings use inversions so each chord is as close as possible to the one before — your hand barely moves. Switch to “Root position” to compare.