A thirteenth chord

A13 chord for piano presented by keyboard diagrams.
Explanation: The A thirteenth is a seven note chord. Due to practical circumstances, some notes (as a suggestion fifth, ninth, and eleventh) are omitted and the chord is played inverted, see second diagram. The chord is sometimes played with both hands. The chord is often abbreviated as A13.
Theory: The A thirteenth chord is constructed by adding a third to an eleventh chord.

A13

A13 chord diagram
Notes: A - C# - E - G - B - D - F#

Ab13 chord ‹ Previous • Next › A#13 chord

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A13 inverted

A13 chord diagram
One of many possible inversions

A chord categories

A Am A7 Am7 Amaj7 A6 Am6 A6/9 A5 A9 Am9 Amaj9 A11 A13 Aadd A7-5 A7+5 Asus Adim Aaug