The music site RateYourMusic has a hierarchical genre tree. They might organize it like this: - beef [meta] - - beef (co-parent: meat) - - vegan beef (co-par

The music site RateYourMusic has a hierarchical genre tree. They might organize it like this: - beef [meta] - - beef (co-parent: meat) - - vegan beef (co-parent: vegetarian faux meat)