A# Sus 2 b5 chord — Open D
3 voicings · Open D
Tuning:DADF#AD
Open position
1 / 3
Chord tones
A#
R
C
+2
E
+6
A# Sus 2 b5 in other tunings
Sus 2 b5 in other keys — Open D
A# Sus 2 b5 in Open D — video lessons
About A# Sus 2 b5 in Open D
The A# Sus 2 b5 chord contains the notes A#, C, E. 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.