Plato, Laws 816c

πρέπον τε καὶ ἁρμόττον ἐπιθεὶς ὄνομα. ἃ δὴ δεῖ τὸν μὲν νομοθέτην ἐξηγεῖσθαι τύποις, τὸν δὲ νομοφύλακα ζητεῖν τε, καὶ ἀνερευνησάμενον, μετὰ τῆς ἄλλης μουσικῆς τὴν ὄρχησιν συνθέντα καὶ νείμαντα ἐπὶ πάσας ἑορτὰς τῶν θυσιῶν ἑκάστῃ τὸ πρόσφορον, οὕτω καθιερώσαντα αὐτὰ πάντα ἐν τάξει, τοῦ λοιποῦ μὴ κινεῖν μηδὲν μήτε ὀρχήσεως ἐχόμενον μήτε ᾠδῆς, ἐν ταῖς δʼ αὐταῖς ἡδοναῖς ὡσαύτως τὴν αὐτὴν πόλιν

and the pacific, termed emmeleia—bestowing on each its appropriate and harmonious name. These dances the lawgiver should describe in outline, and the Law-warden should search them out and, having investigated them, he should combine the dancing with the rest of the music, and assign what is proper of it to each of the sacrificial feasts, distributing it over all the feasts; and when he has thus consecrated all these things in due order, he should thenceforth make no change in all that appertains to either dancing or singing, but this