Yesterday (Aug. 2) at Nashville’s Wildhorse Saloon, Jason Aldean celebrated the success of three recent No. 1 singles—“Lights Come On,” “A Little More Summertime” and “Any Ol’ Barstool”—with friends, songwriters and industry professionals. As guests noshed on an array of appetizers, including hot chicken biscuits, deviled eggs and fried pickles, Jason performed each single with…