A major chord for guitar (A)
Diagram, fingering, and theory for the A major chord (A) on guitar: A · C# · E.
Root
Chord
DiagramA
Stacked thirds
1
3M
5
Theory
Formula1-3-5
DifferenceThe reference triad: 1-3-5.
SoundOpen, stable, bright.
FunctionTonic (I) or dominant (V).
UseThe building block of nearly every song.
Next steps
△TriadsSee the triads and inversions on the fretboard∷ArpeggiosPlay the chord note by note◎CircleFind its function in the key⚿ProgressionsUse it in a chord progression
Diagram for guitar in standard tuning.
A major
The A major chord (A) is made up of: A · C# · E.
The building block of nearly every song.