A# 7 #9 b5 chord — Drop D
2 voicings · Drop D
Tuning:DADGBE
Open position
1 / 2
Chord tones
A#
R
D
+4
E
+6
G#
+10
C#
+3
A# 7 #9 b5 in other tunings
7 #9 b5 in other keys — Drop D
A# 7 #9 b5 in Drop D — video lessons
About A# 7 #9 b5 in Drop D
The A# 7 #9 b5 chord contains the notes A#, D, E, G#, C#. In Drop D tuning (strings: D–A–D–G–B–E), the chord shapes differ from standard tuning because the open string pitches change. Drop D lowers the low E string to D, making power chords and D-root chords easier to play. Diagrams above show all playable shapes in this tuning.