Cdim7 banjo chord

How to play Cdim7 on banjo

The most common way, the first shape above: lay your index finger flat across the four strings from the low D to the high D at the 1st fret, your ring finger on the F♯ string at the 3rd fret and your little finger on the A string at the 3rd fret. Let the short F♯ string ring open.

From the short F♯ string 0 1 3 3 1 (x: not played, 0: open)

What notes are in Cdim7?

Cdim7, C diminished seventh, is C, E♭, G♭ and B♭♭: the root (C), the minor third (E♭), the diminished fifth (G♭) and the diminished seventh (B♭♭). 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, C, E♭, G♭ and B♭♭, so Cdim7 has the same notes as the diminished sevenths on E♭, G♭ and B♭♭. Any of its notes can be the root.