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How long the track lasts for.

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In Music Theory, duration refers to the length of time that a note or rest lasts. A whole note or whole rest has twice the duration of a half note or half rest, a half note or half rest has twice the duration of a quarter note or quarter rest, and so on. The actual time involved is determined by the tempo, which ranges from largo (very slow) to presto (very fast).

The lower of the numbers in the key signature determines which note has one beat (for example, a 4 indicates that the quarter note or quarter rest has one beat), and the upper number is the number of beats per measure.

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11y ago

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