G m6/F#
The G m6 chord consists of the G (Perfect unison), A# (Minor third), D (Perfect fifth) and E (Major sixth) notes, with F# as the bass note.

How to play the G m6/F# chord
- Play F# as the lowest bass note in the left hand
- Find G (Root) on the piano keyboard
- Add A# (Minor third) — 3 semitones above G
- Add D (Perfect fifth) — 7 semitones above G
- Add E (Major sixth) — 9 semitones above G
- Press all 5 notes simultaneously to sound the G m6/F# chord