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 ...

Sometimes the tempo is shown on music scores using numbers. This number is the amount of beats per minute (BPM). So the higher the number, the faster the tempo. 60BPM is one beat per second.

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 ...