photo by Dennis Dalman Three powerhouse performers, including two sisters, belt out a rocking country-western song at the St. Stephen Centennial party July 20. Pam (Trobec) Linton (left) is married to The Cotton Kings’ bandleader Sherwin Linton (middle). Brittany Allyn, nee Patti Trobec (right) is a Nashville recording artist who sang backup for years for the legendary George Jones.