HIGHER Q & A 2: Which key signatures do I need to know about?

Question: Which key signatures do I need to know about?

Answer: You need to know about the key signatures of C, A minor, F and G.

The keys of C and A minor have no sharps or flats, like this:






The key of G has one sharp, like this:

The key of F has one flat, like this: 

The key signature appears on every line of music, after the treble clef as above.