Following the rules of choral responsion, the antistrophe matches the metrical pattern of the strophe, echoing its melody while also introducing a marked contrast thematically.
Almost at the end of the song's first strophe, we cut to the scene outside the listening room.
In one respect, however, the two strophes are musically unlike: tonality and harmonic direction.
At a later point he revised and standardised the two strophes.
The second version is given in full score, again in the composer's hand, with a vocal setting of the first two strophes of the poetry.
The literalness of this final choral strophe is a necessary counter to the looseness of the fugato episode.
The first strophe consists of a single canon which takes six bars to unfold.
The melody is set out by syllable, line and strophe in a way that clearly shows its structure.