PUY OIMIAL, UUL aL We Agu UL SU, IU UCKLUUU LU PUL UL LLUdIe LUM, Le Leacaoe UL his fifth album, Frontera, caught the attention of Brazilian director Walter Salles, who tapped him to write the closing song for the 2004 film Motorcycle Diaries. Titled "Al Otro Lado del Rio" (The Other Side of the River), the song