Rules: morals, games, music
A thoughtful post ( here ) by physicist Sean Carroll on the rules of morality and games. His argument that rules of these sorts are not based on the laws of the universe nor handed from some deity but are nevertheless not arbitrary, invented and refined over time by real, fallible human beings is usefully applicable to music as well, with musical repertoires and styles hewing closely to the received rules but receiving a shock of invention from time-to-time with extensions and refinements of the rule. Now music does play against a certain immutable physical and physiological background — sensory consonance and dissonance, for example, with fairly clear correlates in physical and neurological domains — but the evidence presented by the diversity of existing musical repertoires suggests that there are plenty of alternative strategies for optimizing local musical rules to take into consideration these aspects to a greater or lesser (including no) degree. And yet, for all this d...