Raging Harmonies is a contemporary a cappella group from Westminster High School started by Lois Peterson 15 years ago. The group has been widely recognized and acclaimed. The group regularly performs at the Colorado Music Educators Conference in Colorado Springs, as well as performances for numerous community groups and events.

Members: Angelica Cain, Amber Cameron, Katarina Lobato, Vanity Rivera, Michael Beaver "Beaver", Chris Ladner, Taylor Medrano, Jeovanny Torres