Piano chord · Sevenths

A dominant 7th chord on piano

Right hand: A (1), C♯ (2), E (3), G (5)

How to play A7 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.

Bluesy tension that pulls strongly toward the chord a 5th below.

A7 is the V7 chord in D major. In minor keys: V7 in D minor.

Notes
AC♯EG
Formula
135♭7
Built from
root · major 3rd · perfect 5th · minor 7th

Piano

Root position · numbers are finger numbers

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How to play it

Right handA1 · thumbC♯2 · indexE3 · middleG5 · pinky

Left handA5 · pinkythe root, an octave lower

Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.

Tips for playing A7 on piano

A, C♯, E, G.

You’ll find A7 in common progressions such as A7–D7–E7 (the 12-bar blues in A major) and Em7–A7–Dmaj7 (the jazz cadence in D major).

A7 piano chord diagram (A dominant 7th)
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