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Tempo may be separated from
While tempo is described or indicated in many different ways, including with a range of words (e.g., "Slowly", "Adagio" and so on), it is typically measured in beats per minute (bpm or BPM). For example, a tempo of 60 beats per minute signifies one beat per second, while a tempo of 120 beats per minute is twice as rapid, signifying one beat every 0.5 seconds. The
4 the beat will be a
This measurement and indication of tempo became increasingly popular during the first half of the 19th century, after
Instead of beats per minute, some 20th-century classical composers (e.g.,
With the advent of modern electronics, bpm became an extremely precise measure.
The speed of a piece of music can also be gauged according to measures per minute (mpm) or bars per minute, the number of