The Sparrow By Mary Doria Russell -

And then he tells Emilio something extraordinary. The radio signal from Rakhat? It has not stopped. The music is still playing. And the Jesuits have decoded more of it. The very first piece of data ever transmitted, the very first song of the universe, was not a greeting or a scientific treatise.

The signal was discovered by a team at the Arecibo Observatory in Puerto Rico, but the person who truly understood its soul was not an astronomer. He was a Jesuit priest and linguist named Emilio Sandoz. the sparrow by mary doria russell

For a while, it was a dream.

When they arrived at Rakhat, the world that sang the music, it was a paradise. Two sentient species lived in delicate balance. The Runa were large, gentle, placid herbivores—the laborers, the farmers, the quiet majority. The Jana’ata were slender, elegant, fierce predators—the poets, the warriors, the ruling class. Their society was a brutal, exquisite piece of art, held together by a terrible truth: the Runa were bred as food for the Jana’ata. And then he tells Emilio something extraordinary