Meh
I'm sure it would help a begginer 5 for effort
Pros; Good practice, educational, good layout
Cons; Graphics, Grammar, and one very basic fundamental error; (Caps for emphasis)
THE CURL IN THE MIDDLE OF THE TREBLE CLEF SIGN ALWAYS LINES UP WITH THE MIDDLE "G"
(You had it on "B" I'm pretty sure for the test part)
Otherwise, not half bad. Not perfect, but not bad. 5/10