Estopa is a Spanish rock/rumba duo from Cornellà, Spain. Their songs "El Run Run" and "Cuando Amanece" reached #1 on Billboard in Spain, and "Con La Mano Levanta" reached #4.The band consists of brothers José and David Muñoz. The band's style crosses genres that include rock, rumba, and flamenco, and a 'street sound' that does not easily fit into categories. The band has commented on such difficulty by stating "We don't like to be easily categorized." They are similar to the band Los Chichos, a rumba band from Spain, popular in the 1970s.The band made a cameo appearance in the Spanish film The 4th Floor. They have performed with other popular Spanish artists such as Rosario Flores and Macaco.