A#7b9b13/F# chord
A# 7 b9 b13 · Inversion · F# in the bass
Open position
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Notes
A#
R
D
+4
F
+7
G#
+10
B
+1
F#
bass
About A#7b9b13/F#
A#7b9b13/F# is A# 7 b9 b13 with F# as the lowest note. This is the inversion of the chord — the same notes as A# 7 b9 b13 (A#, D, F, G#, B, F#), but voiced so that F# sits in the bass. Slash chords create a smoother bass line movement and are common in chord progressions where the bass walks stepwise.
Other inversions
Open position
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