Edim7 7-string bass chord

How to play Edim7 on 7-string bass

The most common way, the first shape above: your index finger on the A string at the 1st fret, your ring finger on the D string at the 2nd fret, your middle finger on the C string at the 1st fret and your little finger on the F string at the 2nd fret. Let the E and G strings ring open. Don’t play the B string.

From the B string x 0 1 2 0 1 2 (x: not played, 0: open)

What notes are in Edim7?

Edim7, E diminished seventh, is E, G, B♭ and D♭: the root (E), the minor third (G), the diminished fifth (B♭) and the diminished seventh (D♭). 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, E, G, B♭ and D♭, so Edim7 has the same notes as the diminished sevenths on G, B♭ and D♭. Any of its notes can be the root.