Extended · D# root / E♭
D#maj9 / E♭maj9
Lush and expansive. Adds colour above the major 7th chord.
Notes in D#maj9
D# / Eb is the key of choice for many jazz standards and brass-heavy arrangements.
Identify the Chord Quality on D#
Each chord below is played on D#. Listen and identify whether you heard D#maj9, D#m, D#7, or another quality — the hardest and most useful ear training skill.
Major 9th in All 12 Keys
Other Chords in D#
Related Extended
About the D#maj9 Chord
The D#maj9 chord is a major 9th chord built on D# (also written E♭maj9). It contains the notes Eb, G, Bb, D, F — the root, third, fifth, seventh, and extensions.
Lush and expansive. Adds colour above the major 7th chord. Practising the D#maj9 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.