F Sharp Minor piano scales and key

F sharp minor signature

This is the parallel minor of F# major scale and A is its relative major key.

F sharp minor scale.

About F Sharp minor key

Joseph Haydn’s Farewell Symphony is one of the few classical symphonies composed in this key.
Wolfgang Amadeus Mozart composed only the 2nd movement of his Piano Concerto Number 23 in F sharp minor key.
It is often related to be sad and gloomy.