μελῳδικῶς

From LSJ

ἐπ' αὐτὸν ἐπενθρῴσκει πυρὶ καὶ στεροπαῖς ὁ Διὸς γενέτας, δειναὶ δ' ἅμ᾽ ἕπονται κῆρες ἀναπλάκητοι → the son of Zeus is springing upon him with fiery lightning, and with him come the dread unerring Fates

Source

Greek (Liddell-Scott)

μελῳδικῶς: Ἐπίρρ., μετὰ μελῳδίας, Νεκτάρ. 1821A.