Poetry to the use of interlocking stanzas is their use to separate thematic parts of a poem. For example, the strophe, antistrophe and epode of the ode form are often separated into one or more stanzas. In some cases, particularly lengthier formal poetry such as some forms of epic poetry, stanzas themselves are constructed according to strict rules and then combined. In skaldic poetry, the dróttkvætt stanza had eight lines, each having three "lifts" produced with alliteration or assonance. In addition to two or three alliterations, the odd numbered lines had partial rhyme of consonants with dissimilar vowels, not necessarily at
Ode to a Nightingale probably the first of the middle set of four odes that Keats wrote following "Ode to Psyche", according to Brown. There is further evidence of this in the structure of the poems because Keats combines two different types of lyrical poetry in an experimental way: the odal hymn and the lyric of questioning voice that responds to the odal hymn. This combination of structures is similar to that in "Ode on a Grecian Urn". In both poems the dual form creates a sort of dramatic element within the poem. The stanza forms of the poem is a combination of elements