Quick links to David Simons video excerpts, compilations, or whole pieces:

three pieces by d.simons (Kaleido, the drumset is a grid of empty space, Unplayed Hand)
https://youtu.be/D5I9aC3MZkU

Help Me Rangda by D Simons 3 edits
https://www.youtube.com/watch?v=nHypeXtliY4

Honey Ant Song
https://youtu.be/cy9n0gsfMPI

otherwise, a very big collection here:
davidjsimons.xyz/videopage.DavidJSimons.html