Choosing Pilates class music is about matching the pace: 60-90 BPM works well...

https://www.slideserve.com/gierrepjfu/how-do-i-keep-the-studio-sound-consistent-across-instructors

Choosing Pilates class music is about matching the pace: 60-90 BPM works well for mat sessions, while 80-100 BPM suits flowing reformer classes. Keep volume low so your cues and breath are clear