City Heat, Columbia City High School’s mixed show choir, won Grand Champion at the East Noble Show Choir Invitational Saturday. City Heat is comprised by a majority of honor students. Each singer is required to participate in ISSMA Solo Vocal Contest each year. They are under the direction of Rosalie Geller. City Heat is choreographed by Jason Johnson. City Soul, the back-up band, is under the direction of Carolyn Hindbaugh.