Paul and Margaret Barr of Colorado City announce the engagement of their daughter Heather Barr to Randall Capshaw, both of Big Spring. The bride-elect is the daughter of Paul and Margaret Barr of Colorado City. She is a 2003 graduate of Colorado High School and a 2008 graduate of West Texas A&M University. She is employed as an elementary music teacher at Big Spring ISD.The prospective groom is the son of Randy and Josephine Capshaw of Plano. He is a 2001 graduate of Coronado High School in El Paso and a 2006 graduate of the University of North Texas. He is the junior high choir director at Big Spring ISD. The couple plans to exchange wedding vows Aug. 4, 2012, at a 4 p.m. ceremony at First United Methodist Church.