Percussion to resonate at Unionville High Saturday

32 indoor drum line ensembles scheduled to perform  Unionville High Drumline Coach Cody Stafford (left) gives his musicians instruction before a recent performance. Drum roll, please: Unionville High will host the Norristown Regional Winter Guard International (WGI)  “Sport of the Arts” show on Saturday. The all-day event will feature 32 indoor percussion ensembles from six states in...