De Lucía made a cameo appearance, dressed as a Mexican guitarist, in the 1971 western "Hannie Caulder", playing the melody of Ken Thorne's main theme over a string section. That year, he released the album "El mundo del flamenco", which included a version of Mario Escudero's "Ímpetu", a bulerías. "Guitar International" mentioned his "very aggressive" approach to playing "Ímpetu". Escudero was a major influence on de Lucía during this period, inspiring him to explore new possibilities for flamenco. He began working with record producer José Torregrosa.