A rest is a symbol in music that represents no playing for a particular length in time. To tell the length it time look at the shape of the rest.
| A whole rest: In the time signature of 4/4 it will last an entire measure or four beats. (Rest is below the line) | 
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| A half rest: In the time signature of 4/4 it will last half a measure or two beats. (Rest is above the line) | 
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| A quarter rest: In the time signature of 4/4 it will last a quarter of a measure or one beat. | 
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| A eighth rest: In a time signature of 4/4 it will last half a beat. | 
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| A sixteenth rest: In a time signature of 4/4 it will last one-quarter of a beat. | 
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| A thirty-second rest: In a time signature of 4/4 it will last one-eighth a beat. | 
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| A sixty-fourth rest: In a time signature of 4/4 it will last one-sixteenth a beat. | 
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