Related Clues:

• Canzone parts
• Ezra Pound work, with 'The'
• Ballade's trio
• Parts of numbers
• Choral music parts
• Sonnet parts
• Verses
• Poetry sections
• Pieces of poetry
• Poetic units
• Poem parts
• Round parts, perhaps
• Sonnet sections
• Verses of poetry
• They need to scan inversely