What chords are in A Major?
The diatonic chords are A, Bm, C#m, D, E, F#m, G#dim.
Guitar key
Chords in A Major for Guitar
A major has strong open I, IV, and V chords. The minor chords are more barre-heavy, so triads and capo positions can keep the key playable. The scale is A B C# D E F# G#.
- diatonic chords
- progressions by key
- barre notes
- scale context
Diatonic chords in A Major
These chords come from the A Major scale and are the default chord family for songwriting and practice.
| Roman numeral | Chord | Function | Guitar difficulty |
|---|---|---|---|
| I | A | Tonic | Beginner |
| ii | Bm | Supertonic | Intermediate |
| iii | C#m | Mediant | Intermediate |
| IV | D | Subdominant | Beginner |
| V | E | Dominant | Beginner |
| vi | F#m | Submediant | Intermediate |
| vii° | G#dim | Leading-tone | Advanced |
Common progressions in A Major
Start with a formula, then listen to how the same chord function feels in this key.
| Progression | Chords in A Major | Use |
|---|---|---|
| I-V-vi-IV | A-E-F#m-D | Generate a polished chorus loop, then test open, capo, and barre versions. |
| ii-V-I | Bm-E-A | Practice seventh-chord voice leading, then build a four-slot turnaround such as ii7-V7-Imaj7-vi7. |
| 12-Bar Blues | A7-D7-E7 | Study the I7-IV7-V7 form, then build a four-slot blues practice loop such as I7-IV7-I7-V7. |
| I-vi-IV-V | A-F#m-D-E | Generate a classic verse or refrain loop with a strong return to I. |
| vi-IV-I-V | F#m-D-A-E | Start with a minor color while keeping a major-key chorus option. |
| I-IV-V | A-D-E | Generate a four-slot version of the three-chord idea, such as I-IV-I-V or I-IV-V-IV. |
Beginner-friendly and barre chord notes
A major has strong open I, IV, and V chords. The minor chords are more barre-heavy, so triads and capo positions can keep the key playable.
Beginner-friendly chords in this key are usually the open shapes from the table. When a barre chord interrupts the rhythm, use a three-string triad, a partial barre, or a capo position until the musical timing is stable.
For scale and mode context, treat A as home and use A B C# D E F# G# as the note set. Lead lines should land on notes from the current chord before adding passing tones.
Use this key in StrumForge
Open the generator when you want to hear these chords in time, change voicings, or practice scale context.
- StrumForge app Open the main guitar-first progression generator.
- Guitar chord progression generator Generate playable four-chord loops with diagrams and groove playback.
- Guitar practice app Use the native apps for daily practice, saved ideas, and longer sessions.
- Features See the progression, playback, diagram, and scale tools in one place.
FAQ
Short answers for players using this page as a practice or writing reference.
Is A Major easy on guitar?
A major has strong open I, IV, and V chords. The minor chords are more barre-heavy, so triads and capo positions can keep the key playable.
What scale matches A Major?
Use the A Major scale: A B C# D E F# G#. Start by targeting chord tones from the current chord.
What progression should I practice first in A Major?
Try A-E-F#m-D first, then change voicings or rhythm once the changes are clean.