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F♯ half-diminished 7th chord on piano

F♯m7♭5 is a half-diminished 7th chord built on F♯. It uses the notes F♯ - A - C - E and sounds moody and searching; it often leads to a dominant chord. It is also written as G♭ half-diminished 7th.

F♯ half-diminished 7th chord keyboard diagram: F♯, A, C, EACEF♯
Notes
F♯ A C E
Formula
1 - ♭3 - ♭5 - ♭7
Right hand fingering
1 - 2 - 3 - 5
Left hand fingering
5 - 3 - 2 - 1
Chord symbol
F♯m7♭5

How to play F♯m7♭5 step by step

  1. Find F♯. F♯ is the first black key in each group of three. The same key is also called G♭.
  2. Add A, 3 half steps above F♯.
  3. Add C, 6 half steps above F♯.
  4. Add E, 10 half steps above F♯.
  5. Press all 4 keys together with fingers 1 - 2 - 3 - 5 of your right hand. Keep your wrist level and let the weight of your arm do the work.

F♯m7♭5 inversions

An inversion uses the same notes in a different order. Inversions let your hand move less between chords, which is how pianists make chord changes sound smooth.

F♯m7♭5 Root position: F♯, A, C, EACEF♯
Root positionF♯ - A - C - E
F♯m7♭5 1st inversion: A, C, E, F♯ACEF♯
1st inversionA - C - E - F♯
F♯m7♭5 2nd inversion: C, E, F♯, ACEAF♯
2nd inversionC - E - F♯ - A
F♯m7♭5 3rd inversion: E, F♯, A, CEACF♯
3rd inversionE - F♯ - A - C

Frequently asked questions

What notes are in the F♯ half-diminished 7th chord?

The F♯ half-diminished 7th chord (F♯m7♭5) contains 4 notes: F♯, A, C, E. Its formula is 1 - ♭3 - ♭5 - ♭7.

How do you play F♯m7♭5 on piano?

Put your right-hand thumb on F♯ and play F♯, A, C, E together using fingers 1 - 2 - 3 - 5. With the left hand, use fingers 5 - 3 - 2 - 1.

Is F♯ half-diminished 7th the same as G♭ half-diminished 7th?

Yes. F♯ half-diminished 7th and G♭ half-diminished 7th use exactly the same piano keys. The name you see depends on the key signature of the piece.

Other F♯ chords

Other half-diminished 7th chords