The Willow Spring Indoor Percussion (WSIP) is new this year. Indoor percussion ensembles are similar to the drumline and front ensemble in high school marching bands but perform inside gymnasiums on a special tarp. These groups learn music and drill, competing in circuits and classes that match their resources and skills. Indoor percussion focuses on percussion-specific techniques and performance, offering students a chance to hone their craft in a specialized setting.

To join WSIP, students must be active members of the Willow Spring band program and in good standing socially and financially. Members should already be familiar with musical notation, as the competitive nature of the group requires quick learning. Regular attendance at rehearsals is mandatory unless excused for emergencies.