The wall of videos is fully controlled by music. The project has been made with Touchdesigner.
Credits:
Music: Data by Helix, licensed under Creative Commons
Videos: Pat Whelen, Polina Kovaleva, Komang Indra Sastrawan, Zali, Dan Assis, Juan Mora, Clip it Comunicacio, 41933131, 4390146, and 4662765 from Pexels, licensed under Creative Commons