JACKSON, Tenn. – Members of the Liberty Tech Crusaders Band will march to a different beat this school year, as Dr. Janice Epperson, principal of Liberty Technology Magnet High School, names Joshua Hayes as Director of Bands. Hayes has served as music teacher at Andrew Jackson Elementary School for the past two years. “Leaving my kids at AJ was very difficult,” explained Hayes. “But my heart is on the field and in the concert hall. My heart is tr uly in the world of band.