SUNG TONGSSUNG TONGS plays like a collection of campfire songs for the blissfully deranged. Champions of naive folk, swirling psychedelia, and playground styled sing song games, Animal Collective makes music that is difficult to categorize and even harder to resist. Acoustic guitars, primitive percussion, and harmonizing voices are the meat of the sound here, but the results go leagues beyond the sum of the parts. Circular repetitions, chattering choral