1b3b5bb7
Fig. 1 · Edim7 on the keyboard

piano chord

Edim7

E1G♭3B♭♭5D♭♭♭7

Three minor thirds stacked. The seventh is doubly diminished, which is why it is written with a double flat.

on guitaron ukulelethe scale

What is true of it

Edim7 is E, G, B♭ and D♭ — 1, b3, b5 and bb7 counted from E.

E in other shapes

E7dominant seventhEmaj7major seventhEm7minor seventhEmajorEmminorEdimdiminished

Cdim7C♯dim7D♭dim7Ddim7D♯dim7E♭dim7Fdim7F♯dim7all 374