4898 / 18210 · Workshop 32 — “Naima”: Pedal Points, Slash Chords, Upper-Structure Harmony, and Hearing Vertical Color Over a Stable Bass← prev⊞ allnext →
32.6Slash chord notation
D♭/E♭
means:
play D♭ harmony over E♭ bass.
It does not automatically mean:
D♭ chord in inversion.
An inversion would normally have one of the chord's own notes in the bass.
E♭ is not in D♭ major.
So this is an upper-structure/slash sonority.