Short answer: A is a A Major chord containing the notes A, C♯, E. It has 3 inversions. Use the diagrams below to learn each voicing on the keyboard.
Also known as: AM, AΔ, A maj, A Major
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Notes: A, C♯, E
Notes: C♯, E, A
Notes: E, A, C♯
A is a A Major chord. It contains the notes A, C♯, E. On piano, play these notes simultaneously to sound the chord.
To play A on piano, press the keys A, C♯, E together. The root position uses these exact notes. There are 3 inversions available, each rearranging the same notes in a different order.
The A chord contains the notes: A, C♯, E.
A has 3 inversions. Each inversion rearranges the notes so a different note is at the bottom. The root position starts with the root note, the first inversion moves it to the top, and so on.
A is also known as AM, AΔ, A maj, A Major. These are different notations for the same chord with the same notes: A, C♯, E.