If the Universe is born and no one is present to hear it, does it still make a sound? Well, theoretically, yes. As this video from the US filmmaker John DBoswell (also known as Melodysheep) explores, where a ‘thick soup of atoms’ is present, sound is possible. Made in collaboration with the podcast Twenty Thousand Hertz, this short documentary deploys dramatic CGI visuals, a pulsing score and the voices of prominent scientists to explore the sounds of space

Source: How would a piano sound on Mars? Embark on an interplanetary sonic journey | Aeon Videos