The One ThingPractising the Theory for Progressive and Jazz Guitarists

The key of F♯ minor

F♯ G♯ A B C♯ D E

3 sharps: F♯ C♯ G♯. Relative major: The key of A major.

The triads of the key

i
F♯m

ii°
G♯°

III
A

iv
Bm

v
C♯m

VI
D

VII
E

i7
F♯m7

iiø7
G♯m7♭5

IIImaj7
Amaj7

iv7
Bm7

v7
C♯m7

VImaj7
Dmaj7

VII7
E7

In practice the V of a minor key is almost always major, taken from the harmonic minor: C♯7 (V7), which carries the leading tone E♯.