WELCOME CDS INC - WHERE EVERY STEP LEADS TOWARDS A DREAM. The Catherine's Dance Studio Inc app allows you to manage your account with ease, register for classes and much more. You'll also receive important notifications about class changes, closings, registration openings, special announcements and upcoming events. The CDS Inc app is an easy-to-use, on-the-go way to access everything our Dance Studio has to offer right from your smartphone.