A#maj7#9/F chord
A# Maj 7 #9 · 2nd Inversion · F in the bass
Open position
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Notes
A#
R
D
+4
F
bass
A
+11
C#
+3
About A#maj7#9/F
A#maj7#9/F is A# Maj 7 #9 with F as the lowest note. This is the 2nd inversion of the chord — the same notes as A# Maj 7 #9 (A#, D, F, A, C#), 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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