Tempo means the speed at which a piece of music should be played. As with many other musical terms, Italian words are used to describe different tempos of music. The tempo is written above the ...

The tempo of a piece of music is the speed of the underlying beat. Like a heartbeat, it can also be thought of as the ‘pulse’ of the music. Tempo is measured in BPM, or beats per minute.

Other apps have similar functionality that I’ve covered before, but what makes Perfect Tempo unique is that it can slow down and speed up streamed Apple Music tracks, which other apps can’t do. When ...