Singer-songwriter and acoustic guitarist Jenn Adams will perform at 6 p.m. Thursday, July 26, as part of Bates College’s Midsummer Lakeside Concert Series. Adams, a recent graduate of the Berklee College of Music, combines jazz, folk and blues. She has played at the Kerrville, Falcon Ridge and Rocky Mountain folk festivals and the Telluride Bluegrass Festival. She performs in the Northwest and New England. Midsummer concerts are in the Florence Keigwin Amphitheater by the college’s Lake Andrews. Admission is free. Listeners are urged to bring a picnic and lawn chairs or blankets. Rain site: College Chapel, 275 College St. For more information, call 786-6400.