Gnomon Indoor Percussion is an indoor performing ensemble that is a part of the Tournament of Bands Indoor Association.  Throughout the months of December through May, the ensemble performs at many Chapter XI Indoor Shows as well as competes in the All Chapter Championships in Wildwood, NJ.  The ensemble consists of members who have completed the full Marching Band season and is made up of anywhere between 15-20 members. 

Johnstown High School will be hosting their annual Indoor Competition on Saturday, April 2, 2010.  Come out and see many different high school guards and percussion throughout the area.