Ab Major: I–IV–V–I

The most fundamental chord progression in Western music, providing a strong sense of resolution.

Chord Sequence

IAb
IVDb
VEb
IAb

Chord Diagrams

I Ab Ab Major

Staff

Staff Notation

Piano

Ab chord – keys Ab, C, Eb highlightedPiano keyboard with keys Ab, C, Eb highlighted. Ab is the root note.CEbAb
Ab chord – keys Ab, C, Eb highlightedPiano keyboard with keys Ab, C, Eb highlighted. Ab is the root note.CEbAb

Guitar

Guitar chord diagram for AbGuitar chord voicing with notes Ab, C, Eb, Ab, C, Ab.Ab
Ab C Eb
IV Db Db Major

Staff

Staff Notation

Piano

Db chord – keys Db, F, Ab highlightedPiano keyboard with keys Db, F, Ab highlighted. Db is the root note.FDbAb
Db chord – keys Db, F, Ab highlightedPiano keyboard with keys Db, F, Ab highlighted. Db is the root note.FDbAb

Guitar

Guitar chord diagram for DbGuitar chord voicing with notes F, Db, F, Ab, Db, F.Db
Db F Ab
V Eb Eb Major

Staff

Staff Notation

Piano

Eb chord – keys Eb, G, Bb highlightedPiano keyboard with keys Eb, G, Bb highlighted. Eb is the root note.GEbBb
Eb chord – keys Eb, G, Bb highlightedPiano keyboard with keys Eb, G, Bb highlighted. Eb is the root note.GEbBb

Guitar

Guitar chord diagram for EbGuitar chord voicing with notes G, Bb, Eb, G, Eb, G.Eb
Eb G Bb

I–IV–V–I in All Keys

C Db D Eb E F F# G Ab A Bb B

Other Progressions in Ab Major

I–IV–V–I ii–V–I I–V–vi–IV I–vi–IV–V vi–IV–I–V ii–V–I–vi I–IV–vi–V 12-Bar Blues
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