G# 6(b5)/F##
The G# 6(b5) chord consists of the G# (Perfect unison), B# (Major third), D (Diminished fifth) and E# (Major sixth) notes, with F## as the bass note.
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How to play the G# 6(b5)/F## chord
- Play F## as the lowest bass note in the left hand
- Find G# (Root) on the piano keyboard
- Add B# (Major third) — 4 semitones above G#
- Add D (Diminished fifth) — 6 semitones above G#
- Add E# (Major sixth) — 9 semitones above G#
- Press all 5 notes simultaneously to sound the G# 6(b5)/F## chord