Metrical division that suggests the accents of a composition.
Beats of the bar. Each bar is divided in period's time as same duration knowing as beats.
The time signature is writting after the clef and its defines us the bar. The upper number tells us how many units of time there are in each bar and the bottom number tells us what the unit of measurement is related the whole note
Incomplete bar
When the first bar begin with rests its usually to go without them.
Simple and compound times
When there is a consistent division of the beat into two equal parts, the meter is known as simple meter.
When there is a consistent division of the beat into three parts, the meter is known as compound meter.
Simple times more usual and compound times corresponding: