In fact Santaolalla would help make "Rock En Español" massively popular beyond Argentina, and then go on to great things in Hollywood movie making in the United States music industry, as well as become one of the great producers of the current period.
Santaolalla's contributions to "Rock En Español" propelled its popularity beyond Argentina, leading him to achieve significant success in Hollywood movie making within the US music industry and establishing himself as a prominent producer of contemporary music.