Strophe

A strophe forms the first part of the ode in Ancient Greek tragedy, followed by the antistrophe and epode. In its original Greek setting, "strophe, antistrophe and epode were a kind of stanza framed only for the music," as John Milton wrote in the preface to Samson Agonistes, with the strophe chanted by a Greek chorus as it moved from right to left across the scene.

Read more about Strophe:  Etymology, Poetic Structure, Origins & Development, Variant Forms, Reproductions, Types