Nice site but we're at the point in "Show an In Depth Thing on Hacker News" where circles like these need to be presented with a live GUI that includes sound and colors as you spin the circles around to play different chords.
towards my craving for instant gratification with sound and lights I found a well produced video by Vox on the subject: https://www.youtube.com/watch?v=62tIvfP9A2w