Coatesville, Downingtown West, Unionville among competing schools  EAST MARLBOROUGH — Enjoy music, excitement and artistry as 36 indoor percussion ensembles from seven states compete at the Unionville Regional WGI “Sport of the Arts” show at Unionville High School, 750 Unionville Rd., (Rt. 82) on Saturday, March 22. The elite ensembles use an array of equipment, movement and skills to create...