Peak Big Band plays a variety of classic and modern big band charts, ranging from Glenn Miller and Cole Porter to Santana and Guns and Roses.  Several members hail from the NORAD band and several have played with big band/jazz greats such as Glenn Miller, Tommy Dorsey, Maynard Fergeson and Bill Watrous.

Peak Big Band is under the direction of Bryant Letellier, who also plays trombone in the group.