Capital Pilates - 20 Minutes Mat Workout Audio CD 20 Minutes Audio CD (Voice Only) Angela feels that instructions provided on an audio CD allow the student to concentrate on what is happening in their own body without being distracted by watching a video and keeping proper alignment without turning the head to a screen. The extremely detailed and clear instructions will guide beginners and intermediate students safely through the basic 12 abdominal exercises. Each exercise flows smoothly into the next one and Angela's voice is pleasant and encouraging as she coaches the student through this solid and satisfying workout for home or travel.