My sonnet asserts that the sonnet still lives. My epic, should such fortune befall me, asserts that the… — James Fenton

Tennyson follows his feelings in creating each line. He follows the music in his head. If you had asked him, at the end of the day, to describe the prosody of the poem to you, he would no doubt have had to think for a moment before he could answer you, not because he was ignorant of the terms, but because he had been writing a poem, not a metrical exercise. At every point, he was exerting his free will. And the outcome of that exertion was the form.

The composer does not want the self-sufficiency of a richly complex text: he or she wants to feel that the text is something in need of musical setting.

Among those today who believe that modern poetry must do without rhyme or metre, there is an assumption that the alternative to free verse is a crash course in villanelles, sestinas and other such fixed forms. But most...are rare in English poetry. Few poets have written a villanelle worth reading, or indeed regret not having done so.