In western music, the time signature of a song dictates how its pulse is measured in each bar and tempo defines how fast the pulse is. ... The number four on top says that there are four pulses to one bar, and the number four on the bottom says that these pulses are measured in terms of quarter notes.
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In western music, the time signature of a song dictates how its pulse is measured in each bar and tempo defines how fast the pulse is. ... The number four on top says that there are four pulses to one bar, and the number four on the bottom says that these pulses are measured in terms of quarter notes.