The sun sat high above the desert outside Joshua Tree on October 17, 2024, baking the rocks and shrubbery outside the Farrington Observatory as a small group of invited guests ventured up a steep path towards the telescope. Kyle Simon, the artist and printmaker who founded the Observatory, was standing outside the print studio sat below the towering cylindrical building, greeting friends alongside his wife Sarah and lifelong friend Brian Weitz, the musician widely known as Geologist of Animal Collective. Simon and Weitz had spent the previous day testing and retesting a system that would transform the light of the oncoming full moon captured by the gigantic telescope into a signal that would modulate the control voltage of Weitz’s modular synthesizer. As the sun dipped below the horizon line, the audience gathered on a small wooden patio surrounded by speakers while Weitz readied himself behind the array of patches and knobs. Simon addressed the group, presenting the history of The Sirens, the sonic exploration of the night sky’s mystical and scientific significance about to unfold.

The music conjured under the Hunter’s Moon that night is now documented on this first official release of The Sirens, which was conceived by Simon and Weitz as a recurring performance piece and sound installation. Over a decade ago, Simon began immersing himself in literature on humanity’s sonic relationship to the celestial realm, including Homer’s Odyssey, Plato’s “Spindle of Necessity, ” Kepler’s Harmonices Mundi, and the field of astroseismology. He fitted homemade telescopes with photodiodes and optical sensors to make the images audible, finding latent patterns in the noisy sonic signals he began receiving from the stars. With Weitz, the process expanded as the signal was routed through an analog amplifier and set to modulate the pitch, filter, and other elements of his synthesizer. Together they developed a system of improvisation, with Simon adjusting the telescope to change the intensity of the light based on its relationship with the moon’s position (imagine a theremin player moving their hands in subtle, meaningful motion), and Weitz responding to that input in real time: bending it, amplifying it, or letting it stand on its own. The duo debuted the piece at the Integretron in Joshua Tree in 2018, providing a crucial proof of concept for the performance at Farrington featured here.

The first thing the listener hears on The Sirens is the opening of Farrington Observatory, the cranking of motor and metal. As the lens of the telescope is exposed to the evening air, a wavering drone emerges from the synthesizer, flickering at the margins, the tuning of the oscillators adjusting to the rapidly cooling desert air. The piece progresses and the drone becomes a luminous, spherical constant, bathing the listener in pure tone as Weitz draws out harmonically ambiguous melodies that spiral upwards. Electronics crackle and convulse, coalescing into dense dissonance before widening out into an open octave. Just as the moon orbits the Earth and the stars shift as the planet rotates, so each sonic element appears in flux, interrelationships slowly forming and falling away. Divided into two parts, The Sirens flows as a continuous conversation between the artists and the starlight completing its thousand-year journey across the galaxy.

The Sirens belongs primarily to a lineage beyond music: of sea captains navigating by looking skyward, of astrophysicists studying the formation of the Milky Way, of the modern myths of werewolves, of the stories embedded in constellations. As Simon writes in the album’s extensive liner notes, “These stories and explorations reveal a collective yearning to become conscious of our connection to the universe, our deep-seated desire to understand how we fit into it all.” This music underscores the history of the night sky as the place where poetry and science find common ground, where exploration hinges on the imagination. Driven by curiosity and ingenuity, Weitz and Simon look up and wonder.