D7♭5 7-string guitar chord

How to play D7♭5 on 7-string guitar

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

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

What notes are in D7♭5?

D7♭5, D dominant seventh flat five, is D, F♯, A♭ and C: the root (D), the major third (F♯), the diminished fifth (A♭) and the minor seventh (C). Its formula is 1 3 ♭5 ♭7.