When choosing Pilates class music, aim for 60-90 BPM for mat work or 80-100 BPM...

https://wiki-tonic.win/index.php/Best_Cool-Down_Music_for_Pilates_That_Helps_People_Breathe_Slower

When choosing Pilates class music, aim for 60-90 BPM for mat work or 80-100 BPM for flowing routines. Keep volume low so your cues and clients' breath stay clear