Rock your universe at the 16th annual Jammin' in July music festival Saturday at Historic Camden Revolutionary War Site. Fourteen bands and solo acts will be featured, including The Turn Signals, David Mitchell, Arcfurus, Josh McCaa and Andy Luadzers, Michael Jacobs, Fayssoux McLean & Brandon Turner, Without a Paddle, Bakers Moon, The Mobros, Rusty Davis and Paul Russo, Mike Frost Jazz, Joal Rush, John Wesley Satterfield and Zen Violin, surprise finale featuring assorted performers from the show. Gates open at 3:30 p.m., with music beginning at 4 p.m. Admission is $18 for adults, $15 for seniors and military, $4 for ages 6-12 and free for youngsters younger than 6.