ap music theory key signatures

C major key sig

No sharps or flats, A relative minor

G major key sig

1 sharp (F#), E relative minor

D major key sig

2 sharps (F# and C#), B relative minor

A major key sig

3 sharps (F#, C#, G#), F# minor

E major key sig

4 sharps (F#, C#, G#, D#), C# minor

B major key sig

5 sharps (F#, C#, G#, D#, A#), G# minor

F# major key sig

6 sharps (F#, C#, G#, D#, A#, E#), D# minor

C# major key sig

7 sharps (F#, C#, G#, D#, A#, E#, B#), A# minor

F major key sig

1 flat (Bb), D minor

Bb major key sig

2 flats (Bb, Eb), G minor

Eb major key sig

3 flats (Bb, Eb, Ab), C minor

Ab major key sig

4 flats (Bb, Eb, Ab, Db), F minor

Db major key sig

5 flats (Bb, Eb, Ab, Db, Gb), Bb minor

Gb major key sig

6 flats (Bb, Eb, Ab, Db, Gb, Cb), Eb minor

Cb major key sig

7 flats (Bb, Eb, Ab, Db, Gb, Cb, Fb), Ab minor