The Db/Ab chord is a Db Major chord, with the Ab (the 5th) as the bass note.
The chord is also referred to as Db over Ab, or Db ‘slash’ Ab, or simply, D flat with an A flat in the bass.
Technically, the Db Major chord with the Ab in the bass is a second inversion Db Major chord.
Some Db/Ab Chord Theory and Info
- The Db/Ab chord contains the notes Ab, F and Db.
- It is a Db Major chord with an Ab in the bass.
- The root note of Db/Ab is Db, the bass note is Ab.