First page of the score - a manuscript by Villa-Lobos - of the symphonic poem "Erosão", subtitled "The origin of the Amazon River". The work is based on an Amerindian legend collected by the Brazilian botanist João Barbosa Rodrigues (1842-1909). According to the story, the Moon and the Sun would be madly in love, but destined to separate, after all, "the ardent love of the Sun would extinguish the world, and the Moon, with its tears, would flood the Earth". But, from the tears of the moon, the Amazon River would emerge.