15b73
Fig. 1 · A7 on the keyboard

piano chord

A7

A1C♯3E5G♭7

Major triad, minor seventh. The chord that wants to resolve a fourth up.

on guitaron ukulelethe scale

What is true of it

A7 is A, C♯, E and G — 1, 3, 5 and b7 counted from A.

On an instrument that cannot reach all 4, the 5 goes first, in that order.

A in other shapes

Amaj7major seventhAm7minor seventhAm(maj7)minor major seventhAmajorAmminorAdimdiminished

C7C♯7D♭7D7D♯7E♭7E7F7all 374