 Before Abreu left, management was preparing for Sergio's departure and the debut of the first non-Puerto Rican member, Adrián Olivares 13 of Mexico, but Abreu's exit delayed Sergio's departure.Management decided to keep Sergio for another Spanish album, "No Me Corten El Pelo"(Don't Cut My Hair) featuring the Sergio/Rubén/Robert/Rawy/Adrián lineup.In 1990, two new non-Puerto Rican members joined the group