Marching under the direction of Jason Cassell is the Truman High School TNT Marching Band with more than 100 members.

The Truman band has performed the last 2 years as pep band for University of Michigan athletics when the Michigan Band is unavailable.

The Truman band has received the top rating of "one" of the past five years at the MSBOA festivals. Over $3,000 were raised by the band to benefit the family of Taylor Polic Officer, Corporal Matthew Edwards this past year.

The Truman band has performed at Disney World 10 times, and in 2012 they will be making their 11th appearance. The Truman band performed for the Detroit Red Wings in thier victory parades in both 1997 and 1998.

The Truman High School TNT Marching Band will be performing "Dynamite" by Taio Cruz at America's Thanksgiving Parade.