G# Dim 9 chord — Open D
2 voicings · Open D
Tuning:DADF#AD
Open position
1 / 2
Chord tones
G#
R
B
+3
D
+6
F
+9
A#
+2
G# Dim 9 in other tunings
Dim 9 in other keys — Open D
G# Dim 9 in Open D — video lessons
About G# Dim 9 in Open D
The G# Dim 9 chord contains the notes G#, B, D, F, A#. In Open D tuning (strings: D–A–D–F#–A–D), the chord shapes differ from standard tuning because the open string pitches change. Open D tuning gives an open D major chord across all strings — ideal for slide guitar and Joni Mitchell-style playing. Diagrams above show all playable shapes in this tuning.