Edim(maj7): E Diminished Major 7th Piano Chord

Construction

E Diminished Major 7th = Root + Minor 3rd + Diminished 5th + Major 7th = E, G, B♭, D♯

Note	Interval	Degree
E	Root	1
G	Minor 3rd	♭3
B♭	Diminished 5th	♭5
D♯	Major 7th	7

Fingering

Note	Key color	Right hand	Left hand
E	white	thumb (1)	little finger (5)
G	white	index finger (2)	middle finger (3)
B♭	black	middle finger (3)	index finger (2)
D♯	black	little finger (5)	thumb (1)

Right hand: thumb (1) on E, index finger (2) on G, middle finger (3) on B♭, little finger (5) on D♯.

Left hand: little finger (5) on E, middle finger (3) on G, index finger (2) on B♭, thumb (1) on D♯.

Key Signature

A Diminished Major 7th chord is built from symmetrical or ambiguous intervals, so it doesn't belong to a single key and has no key signature of its own.

Chords in the Key of E Major

These are the triads built on each degree of E Major:

I — E Major (major)

Degree	Numeral	Chord	Quality
1	I	E Major	Major
2	ii	F♯ Minor	Minor
3	iii	G♯ Minor	Minor
4	IV	A Major	Major
5	V	B Major	Major
6	vi	C♯ Minor	Minor
7	vii°	D♯ Diminished	Diminished

E Diminished Major 7th : Frequently Asked Questions

What is the E Diminished Major 7th chord on piano?

The E Diminished Major 7th chord contains the notes E – G – B♭ – D♯. On piano, play these notes together to sound the chord.