Thursday, July 31, 6 p.m. Atlanta/Decatur-based The Bitteroots, fronted by vocalist Laura Dees, has a sound that’s been called a “unique brand of soulful rock,” and has drawn comparisons to Janis Joplin. Concert runs 6:30-8 p.m. Tickets: $5, ages 21 and up; $2, ages 13-20; free for 12 and under. Blankets, picnics and coolers welcomed. Pets and smoking not allowed. Parking available on Sandy Springs Place in designated parking lots. Sandy Springs Society Entertainment Lawn, 6110 Bluestone Rd., Sandy Springs, 30328. Call 404-851-9111 or go to: www.heritagesandysprings.org to find out more.