This method involves assigning a numerical value to a tempo. “Beats per minute” (or BPM) is self-explanatory: it indicates the number of beats in one minute. For instance, a tempo notated as 60 BPM would mean that a beat sounds exactly once per second. A 120 BPM tempo would be twice as fast, with two beats per second
The time signature (also known as meter signature, metre signature, or measure signature) is a notational convention used in Western musical notation to specify how many beats (pulses) are contained in each measure (bar), and which note value is equivalent to a beat.
For simple meters, the lower number of the time signature is the beat value, that corresponds to the BPM of the tempo. For compound tuple meters (e.g. 6/8) the beat value is typically 3 times the lower number of the time signature, which is the same as the "dotted value of twice".
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A skeletal frame constructed in a regular pattern to support the floors, roof, or walls. A steel frame is made up of vertical steel columns and horizontal I-beams
