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