Fill in the Blanks MUSIC THEORYOnline version Test on knowledge of basic theory by Kate Cheal 1 treble beats bar clef type bar beats beginning time signature The sign at the of a piece of music which tells you that the notes are above middle c is called the . After this we would see two numbers on top of one another and these are known as the . This tells us how many are in a . The top number describes how many beats are in each and the bottom number tells you what of they are .