Chord
E♭m7♭5 is a half-diminished seventh chord with the notes E♭, G♭, B𝄫, D♭. Also written E♭ø, E♭–7♭5. The same chord spelled from D♯ is D♯m7♭5.
| Note | Interval | Semitones |
|---|---|---|
| E♭ | root | 0 |
| G♭ | minor 3rd | 3 |
| B𝄫 | diminished 5th | 6 |
| D♭ | minor 7th | 10 |
| Root position | E♭ – G♭ – B𝄫 – D♭ | |
| 1st inversion | G♭ – B𝄫 – D♭ – E♭ (E♭m7♭5/G♭) | |
| 2nd inversion | B𝄫 – D♭ – E♭ – G♭ (E♭m7♭5/B𝄫) | |
| 3rd inversion | D♭ – E♭ – G♭ – B𝄫 (E♭m7♭5/D♭) |
A half-diminished chord (m7♭5) is a diminished triad with a minor 7th added. It is the vii chord of major keys and the ii chord of minor keys, as in the minor ii–V–i.
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