How to Use a Coupon Code for Lessons How to Use a Coupon Code for Lessons 1. When scheduling a lesson, click “Redeem Coupon/Package”at https://www.synergisticsinging.com/schedule-a-lesson/ 2. Then enter your coupon code. 3. Schedule your lesson and the coupon should be applied during checkout. Questions? Email me at christopherabdo@gmail.com