tempo

noun [专属名词]（运动或活动的）速度，节奏；（音乐的）节奏，拍子；（印度次大陆）轻型三轮货车

The tempo of a piece of music is the speed at which it is played.
(音乐的) 节奏 •  In a new recording, the Boston Philharmonic tried the original tempo.  在一张新唱片中，波士顿爱乐乐团尝试了音乐原本的节奏。