F#7(b5,#9) or Gb7(b5,#9) | F# or Gb Dominant 7th b5 #9

F#7(b5,#9), F#7(-5,+9) or Gb7(b5,#9), Gb7(-5,+9)

Name: F# or Gb dominant 7th b5 #9
Symbols: F#7(b5,#9), F#7(-5,+9) or Gb7(b5,#9), Gb7(-5,+9)
Steps: F#-A#-C♮-E♮-G## or Gb-Bb-Dbb-Fb-A♮

1. position:
1. position F#7(b5,#9) or Gb7(b5,#9)

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