It's the sort of thing you hear at a town event. "You have a doggie in there?" yelled a kid from the sidewalk. "Yeah! He's in the hood!" said the driver of the Bubba Bites dog treat truck, turning up the volume on the woofs and barks he had playing on a loop. Behind them a platoon of elementary and middle-school martial arts students from One Taekwondo jumped and spun in near-perfect synchrony at regular intervals, red pants swirling in the air and landing, feet first, on a hot blacktop.