Son Cubano Tradicional at Casa de la Trova, Santiago de Cuba, 2012 performed by Onel Gonzales Odelin and Yalenis Castellano de Armas . Music by Las Hermanas Ferrin.
They have the "ideal" timing during the first 40 seconds or so. That is, stepping with the right foot (guy) after the last two hits of the clave. But then he switches it. They're dancing to son timing, by the way, in case this is not clear.
