BPM stands for Beats Per Minute. It means the amount of music beats you hear within a minute.
An easy way to understand is take a song and listen for 15 seconds. Within those 15 seconds count the beats you hear.
Take that number and multiply by 4 and you can roughly calculate the BPM for a song.
Cheerleading mixes can vary in BPMs (depending on your team's skill level.
To enhance a section of competition music or for crowd appeal, BPMs can even change throughout a routine.