(Hapaworld). Up to 80% of kids aren't involved with school music programs, but we know that most kids love music. How can we get these kids involved with learning the basics of music theory while implanting a lifelong passion for music making? That's the goal of the new "Start to DJ" program! Developed by DJ education veteran DJ Hapa, this unique cohestive DJ learning program offers three instruction levels with brand-name gear, proven instruction, and complete support for teachers. For iOS phone/iPad, Android tablet/phone, Chromebooks w/touchscreens using djay app.