Nat 5 April Revision 14: Key signatures

The key signature is the sharps or flats which appear at the start of each line of music.


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.

Here is some music in the key of F.

Here is some music in the key of G.