By rich laden rich.laden@gazette.com -Colorado Springs-area business and civic leaders hope to find more than country music and barbecue when they head to Nashville, Tenn., in June. The Music City, along with Chattanooga, Tenn., and Huntsville, Ala., have been selected as destinations for an annual trip by local leaders to learn about economic development strategies, business practices and public policy initiatives in other cities. The trips, which began several years ago, have taken participants to Omaha, Neb., Portland, Ore., Charlotte, N.C., Austin, Texas, Oklahoma City and Salt Lake City.