Madison, Wis., DCI Division II & III World Championships Preliminaries – Impulse from Buena Park, Calif., put on an entertaining, eclectic performance that included an appearance by a Lucille Ball imitator and snatches of the pop instrumental "Tequila." The performance earned the Impulse an 81.05.The Impulse percussion section turned in an inspired performance, and the show closed with the Lucille Ball imitator taking the podium to conduct a brief coda. The corps then retreated by scattering into the south end zone.