Pace of music or speed of beats per minute. Option A is correct.
What is Tempo ?
Tempo, which describes a musical piece's tempo or pace, is a fundamental element of music. The overall speed and feel of the music are determined by the pace at which the beats occur. BPM, or beats per minute, is commonly used to measure tempo.
The character of a musical composition can be significantly influenced by the pace changes that elicit distinct moods.
Therefore, option A is correct.
The complete option are :
Which of these refers to tempo?
A.
pace of music or speed of beats per minute
B.
a consistent, periodic pulse that is separated into equivalent intervals of time
C.
placement of sounds at definite regular time intervals
D.
fundamental chord consisting of three tones or pitches