In pythagorean tradition, music is an application of mathematics.
Harmony is not sounding together, but a sequence of notes on a scale.
__
The sophists
(624 BCE) Draconian laws; the state has a monopoly on violence ← important step on the way to Athenian democracy
No more blood vengeance, vendettas, whatever - law is codified in such a way that the state is proprietor of juridical decisions.
(508 BCE) Cleisthenes reforms Athens on a demographic basis.
physis vs nomos → nature vs convention
According to Hippias of Elis everything is by nature
Protagoras of Abdera said that homo mensura, human is the measure of things.