An ode has a three-part structure: strophe, antistrophe, and epode. The strophe is a theme statement, and the antistrophe is a response to it. Within an ode, it might go back and forth between strophe and antistrophe several times before everything meets up in the middle and ends with the epode.
It turns out that my favorite Billy Joel song, Leningrad, is in the form of an ode. There are stanzas about Victor who lives in Leningrad, followed by response stanzas about Billy Joel growing up in America. They are set to very different musical themes. Then, the very last of those is about Billy Joel visiting Leningrad and meeting Victor - and it's set to the Russian theme. The epode has no words. Its music is completely different from either the strophe or antistrophe.
In general, I'm not a fan of poetry. But that may be because so little of it is as masterfully crafted as this song is.