On Aug.12, weather permitting, Jim Gallant will be the featured performer in the Andover Summer Concert Series. The concert will be at the bandstand in the center of Andover and starts at 6 p.m. Admission is free with donations appreciated. Whether performing at a coffeehouse, college concert or an outdoor festival,  Whether he’s finger picking a Celtic jig, a New Age instrumental, or singing a delta blues song, Gallant’s distinctive style has won him applause and accolades. An accomplished songwriter, his original compositions have brought him awards and high honors throughout the country.