The Dixie Chicks will appear via satellite Wednesday (May 21) during the Academy of Country Music Awards. The CBS telecast will feature the trio's performance of "Truth No. 2" from their concert at the Frank Erwin Center in Austin, Texas, their adopted hometown. The Chicks are nominated for three awards, including entertainer of the year. Just added to the list of presenters at the awards show are Trace Adkins, Bill Engvall, Cledus T. Judd, Louise Mandrell, Pam Tillis and Mark Wills.