Simon dTour Live, Buford and Lawrenceville. Concerts, BMX bike demonstrations, games, giveaways and contests. School Boy Humor, 1 to 7 p.m. Friday, Mall of Georgia, 3333 Buford Drive, Buford. 678-482-8788; Jimmy Robbins, noon to 6 p.m. Sunday, Discover Mills, 5900 Sugarloaf Parkway, Lawrenceville. 678-847-5000.Sol Factor, Naturally 7 and PJ Morton, Suwanee. 6:30 p.m. Friday, Town Center Park, intersection of Buford Highway and Lawrenceville-Suwanee Road, Suwanee.
Jonathan Byrd, Sautee. Evening Star Concert Series. 8 p.m. Saturday,
Nate Currin, Gainesville. With Playside Stereo. 6:30 p.m. Aug. 15, downtown Gainesville square. Free.
Concert in the Park, Gainesville. Mid Life Crisis performs. Benefits Eagle Ranch. 8 p.m. Aug. 22, Horseshoe Park, Marina Bay on Lake Lanier, 5762 Cool Springs Road, Gainesville. $20 adults, free for children age 12 and younger. Dessert and coffee served during the concert. 678-450-5575.
Appalachian Jam, Dahlonega. Saturdays through Nov. 7, downtown Dahlonega. Free. 706-864-3513.
Saturday Evening Concert Series, Helen. 8 p.m. Saturdays through Nov. 14, Unicoi State Park & Lodge, 1788 Ga. 356, Helen. $5 parking; donation.
The North Georgia Barbershop Singers, Cumming. Men only can join rehearsals. 7:30 p.m. Tuesdays, Christ the King Lutheran Church, 1125 Tribble Gap Road, Cumming. 770-889-9125 or 770-889-9125.