F#m7(b5) chord F#m7b5 chord for piano with keyboard diagram Explanation The F sharp minor seventh flat five is also called F sharp halfdiminished (also written as F# ø)The chord is abbreviated F#m7b5, F#m7(b5) or F#m7b5 Theory The F#m7b5 is an F sharp minor seventh with a lowered fifth F#m7b5 Notes F# A C E
