This bonus content is a reading from Platypus, the CASTAC Blog. The full post by Mauricio Baez can be read at https://blog.castac.org/2026/05/what-would-happen-if-ethnographers-learned-to-process-signals/. About the post: In this piece, I use software typically employed for sound synthesis and real-time audiovisual composition, which allows sounds to be created and shaped digitally, often in connection with visual elements. In this particular case, I composed the music using synthesis, together with an audio-reactive visual system, in which the images change in response to the sound’s rhythm, frequency, or intensity.