A 13th 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.
Omissions: A13(no3): A - E - G - B - D - F#; A13(no5): A - C# - G - B - D - F#.
Theory: The A thirteenth chord is constructed by adding a third to an eleventh chord.


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

Ab13 chord ‹ Previous • Next › A#13 chord

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A13 inversions and voicings

A13 chord diagram
One of many possible inversions (with the 5th and the 11th omitted)

A13 chord diagram
One of many possible two-hand voicings (the 13th is added to an A7th voicing)

A chord categories

A Am A7 Am7 Amaj7 AmM7 A6 Am6 A6/9 A5 A9 Am9 Amaj9 A11 Am11 A13 Am13 Amaj13 Aadd A7-5 A7+5 Asus Adim Adim7 Am7b5 Aaug Aaug7