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E A D G B E
Capo

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Fret numbers counted
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Progression

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

12-bar blues (quick change) in Bb major plays Bb7, Eb7 and F7 — 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 1Bb7I
Bar 2Eb7IV
Bar 3Bb7I
Bar 4Bb7I
Bar 5Eb7IV
Bar 6Eb7IV
Bar 7Bb7I
Bar 8Bb7I
Bar 9F7V
Bar 10Eb7IV
Bar 11Bb7I
Bar 12Bb7I

The shapes

IBb7
Bb dominant seventh, open position, capo 0. Strings from lowest to highest: muted, fret 1, fret 3, fret 1, fret 3, fret 1. Frets are relative to the capo. Barre at relative fret 1, strings 2 to 6.
x13131IVEb7
Eb dominant seventh, open position, capo 0. Strings from lowest to highest: muted, muted, fret 1, fret 3, fret 2, fret 3. Frets are relative to the capo.
xx1323VF7
F dominant seventh, open position, capo 0. Strings from lowest to highest: fret 1, fret 3, fret 1, fret 2, fret 1, fret 1. Frets are relative to the capo. Barre at relative fret 1, strings 1 to 6.
131211

The same progression in a nearby key

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