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

https://wiki-cable.win/index.php/Best_Background_Music_for_Pilates_Instructors_Who_Cue_a_Lot

When choosing Pilates class music, aim for 60-90 BPM for mat work or 80-100 BPM for flow classes to match movement pace. Keep volume low so you and your students can easily hear cues and breath