<P> The time signature (also known as meter signature, metre signature, or measure signature) is a notational convention used in Western musical notation to specify how many beats (pulses) are to be contained in each measure (bar) and which note value is equivalent to one beat . </P> <P> In a music score, the time signature appears at the beginning, as a time symbol or stacked numerals, such as or (read common time and three - four time, respectively), immediately following the key signature or immediately following the clef symbol if the key signature is empty . A mid-score time signature, usually immediately following a barline, indicates a change of meter . </P>

What does a time signature mean in music