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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
G♭7→C♭7→D♭7
Numerals
I7IV7V7

Play along

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

1G♭7I7
2G♭7I7
3G♭7I7
4G♭7I7
5C♭7IV7
6C♭7IV7
7G♭7I7
8G♭7I7
9D♭7V7
10C♭7IV7
11G♭7I7
12D♭7V7

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

The chords

I7 G♭7
1G♭3D♭1F♭2B♭1D♭F♭
2B♭3F♭1G♭4D♭
C4F♭G♭B♭D♭G♭ B♭ D♭ F♭
IV7 C♭7
×2C♭1E♭3B𝄫C♭4G♭
3C♭2E♭1G♭B𝄫
B𝄫C♭C4G♭E♭C♭7/G♭
V7 D♭7
×2D♭1F3C♭C♭4A♭
1A♭2D♭3F4C♭
C♭C4FA♭D♭D♭7/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.

12-bar blues in every key

CD♭DE♭EFF♯GA♭AB♭B

More progressions in G♭ major

I–V–vi–IVI–IV–V–IVI–vi–IV–Vvi–IV–I–Vii–V–II–vi–ii–VI–V–vi–iii–IV–I–IV–VI–♭VII–IV–I