The Grove City High School instrumental music program has over 300 wind, percussion, and string musicians who participate in various performing groups.

The Grove City High School Marching Band has received over 30 Grand Champion awards over the last ten years in OMEA competitions.

The band received superior ratings at the OMEA State Marching Band Contest every year since the contest's inception in 1980 until the fall of 2009 when repeated school levy failures resulted in the cancellation of all extracurricular activities, including marching band.

Performed at the 1993 and 2001 OMEA State Convention and was the clinician band for the composer Francis McBeth at the 1995 OMEA State Convention, as well as for Mark Kelly in 1989.

Guest band for the Directors' Clinic at Miami University with Donald Hunsburger of the Eastman School of Music and H. Robert Reynolds from the University of Michigan.