The sounds produced by human and non-human nature in diverse jungle territories define states such as birth, death, and reproduction, and evidence from the audible language the presence in the world connected to a network of interactions, stimuli, and sound responses. Cosmic ritornello places those recognizable sounds of the Earth, recorded in Costa Rica and Colombia, in dialogue with other forms of audible experiences that suggest cosmic spaces discovered and yet-to-be-discovered, with the purpose of rethinking the limits of habitable space.