Complex sentence: Besides sporting events, the marching band can be seen in parades such as the Christmas Parade of Lights in downtown Cortez and has journeyed to such places as Washington, D.C., Boston, Rhode Island, and Portland.
Split into simpler sentences: Besides sporting events, the marching band can be seen in parades such as the Christmas Parade of Lights in downtown Cortez. The band has journeyed to such places as Washington, D.C., Boston, Rhode Island, and Portland.