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Instrument

E A D G B E
Capo

Diagrams

Chords shown as
Chord numbers
Shape difficulty
Fret numbers counted
Strings on the neck
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Chords sound as

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Progression

The Rhythm changes (A section) in Bb major

Rhythm changes (A section) in Bb major plays Bb, Gm7, Cm7 and F7 — I, vi, ii and V — across 8 chords. The I–vi–ii–V harmonic backbone of the A section of 'rhythm changes', the jazz standard form built on Gershwin's 'I Got Rhythm'.

The chords, in order

1BbI
2Gm7vi
3Cm7ii
4F7V
5BbI
6Gm7vi
7Cm7ii
8F7V

The shapes

IBb
Bb major, open position, capo 0. Strings from lowest to highest: muted, fret 1, open, fret 3, fret 3, fret 1. Frets are relative to the capo.
x10331viGm7
G minor seventh, open position, capo 0. Strings from lowest to highest: fret 3, fret 1, open, open, fret 3, fret 1. Frets are relative to the capo.
310031iiCm7
C minor seventh, open position, capo 0. Strings from lowest to highest: muted, fret 3, fret 1, fret 3, fret 1, fret 3. Frets are relative to the capo. Barre at relative fret 1, strings 3 to 5.
x31313VF7
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 Rhythm changes (A section) in Bb major in the explorer →All seven chords in Bb major →