Rascal Flatts perform their recent No. 1 hit, "Bless the Broken Road," with American Idol 2 finalist Carrie Underwood during the two-hour season finale of the show airing Wednesday (May 25) at 8 p.m. ET/PT on the Fox Network. Underwood performed the song earlier in the talent competition. ... Trace Adkins performs his upcoming single, "Arlington," on Cold Pizza, the ESPN2 program airing Wednesday at 8 a.m. ET/PT.