Antistrophe 回舞歌
Antistrophe (Greek:ἀντιστροφή, "a turning back") is the portion of an ode sung by the chorus in its returning movement from west to east, in response to the strophe, which was sung from east to west.
It has the nature of a reply and balances the effect of the strophe. Thus, in Gray's ode called "The Progress of Poesy" (excerpt below), the strophe, which dwelt in triumphant accents on the beauty, power and ecstasy verse, is answered by the antistrophe, in a depressed and melancholy key: