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

https://bizzmarkblog.com/best-genres-for-pilates-music-that-stay-in-the-background/

When choosing Pilates class music, aim for 60-90 BPM for mat work or 80-100 BPM to match flow classes. Keep the volume low so your voice and students’ breath come through clearly