Twelve bars on a common baseline showing how much each pitch class sounded — the plainest view of the data the circle-of-fifths wheel plots, and the one to reach for when you want to read the numbers rather than see the key. Peak-normalised, with a root marker and a live-chord highlight.
pnpm dlx shadcn@latest add "https://pluginui.com/r/core-pc-histogram.json"