Plato, Laws 947d

καὶ κόρας ἑπομένας ἐξόπισθεν ὅσαι τʼ ἂν γυναῖκες τῆς παιδοποιήσεως ἀπηλλαγμέναι τυγχάνωσιν, μετὰ δὲ ταῦτα ἱερέας τε καὶ ἱερείας ὡς καθαρεύοντι τῷ τάφῳ ἕπεσθαι, ἐὰν ἄρα καὶ τῶν ἄλλων εἴργωνται τάφων, ἐὰν καὶ τὸ τῆς Πυθίας οὕτω τε καὶ ταύτῃ σύμψηφον ᾖ. θήκην δὲ ὑπὸ γῆς αὐτοῖς εἰργασμένην εἶναι ψαλίδα προμήκη λίθων ποτίμων καὶ ἀγήρων εἰς δύναμιν, ἔχουσαν κλίνας παρʼ ἀλλήλας λιθίνας

and the rest in like manner; and round about the bier the boys, being in front, shall sing their national anthem, and behind them the girls shall follow singing, and all the women who have passed the age of child-bearing; and next shall follow the priests and priestesses as to a tomb that is sanctified—yea, though they be debarred from approaching all other tombs,—if so be that the voice of the Pythian approves that thus it shall be. Their tomb shall be constructed under ground, in the form of an oblong vault of spongy stone, as long-lasting as possible, and fitted with couches of stone