The song “Change” explains why people around the nation are leaving coins at the graves of soldiers, sailors, and other military service members. "A penny, love and respect," the song says. "A nickel, boot camp together. A dime, you served together. A quarter, you were there when they gave their life for their country." Tracy Smith is one of the songwriters, and he first noticed such coins after his son’s funeral. Randall Smith had served in the Navy, mortally wounded during a 2015 domestic