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E A D G B E
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Progression

The 12-bar blues (quick change) in Db major

12-bar blues (quick change) in Db major plays Db7, Gb7 and Ab7 — I, IV and V — across 12 chords. The same twelve-bar blues form, ending back on the I chord for the last two bars instead of turning around on V — common when a band is vamping into a repeat.

The chords, in order

Bar 1Db7I
Bar 2Gb7IV
Bar 3Db7I
Bar 4Db7I
Bar 5Gb7IV
Bar 6Gb7IV
Bar 7Db7I
Bar 8Db7I
Bar 9Ab7V
Bar 10Gb7IV
Bar 11Db7I
Bar 12Db7I

The shapes

IDb7
Db dominant seventh, open position, capo 0. Strings from lowest to highest: muted, fret 4, fret 3, fret 4, open, fret 4. Frets are relative to the capo.
x43404IVGb7
Gb dominant seventh, open position, capo 0. Strings from lowest to highest: fret 2, fret 4, fret 2, fret 3, fret 2, open. Frets are relative to the capo. Barre at relative fret 2, strings 1 to 5.
242320VAb7
Ab dominant seventh, position 4, capo 0. Strings from lowest to highest: fret 4, fret 6, fret 4, fret 5, fret 4, fret 4. Frets are relative to the capo. Barre at relative fret 4, strings 1 to 6.4fr
464544

The same progression in a nearby key

Open 12-bar blues (quick change) in Db major in the explorer →All seven chords in Db major →