Possible Clues:

• Chorus preceder
• Might the cleric start to turn poetic?
• In this is the other way round for odes (5)
• Haiku, for one
• Sonnet segment
• Guest work?
• Form of literature that's not willing to omit the beginning
• Limerick, for one
• Limerick, e.g.
• Poet's penchant