Ddim7 6-string bass chord

How to play Ddim7 on 6-string bass

The most common way, the first shape above: your middle finger on the B string at the 3rd fret, your little finger on the E string at the 4th fret, your index finger on the A string at the 2nd fret and your ring finger on the D string at the 3rd fret. Don’t play the G and C strings.

From the B string 3 4 2 3 x x (x: not played, 0: open)

What notes are in Ddim7?

Ddim7, D diminished seventh, is D, F, A♭ and C♭: the root (D), the minor third (F), the diminished fifth (A♭) and the diminished seventh (C♭). Its formula is 1 ♭3 ♭5 ♭♭7.

Why do four diminished seventh chords have the same notes?

A diminished seventh is minor thirds stacked all the way round, D, F, A♭ and C♭, so Ddim7 has the same notes as the diminished sevenths on F, A♭ and C♭. Any of its notes can be the root.