Shapes of water changes, so these images show the shapes of water depending on the sounds i.e. frequencies. Note, shapes look typically like cathedral windows geometry.
The music of Anders Holte & Cacina Meadu, made visible by CymaScope instrument. https://www.youtube.com/watch?v=2y_ZzCHobX4&t=44s
CymaScope video projected in Trinity Episcopal Cathedral
https://www.youtube.com/watch?v=n_e-vhGbqFQ&t=90s
Channel
HK