Possible Clues:

• It may happen that the pie does get mixed like this
• Chapter and verse after record is set
• Incident or one part of a story
• Barrister shows Australian policeman leading regicide
• In the event this may be just a bit of cereal, by the sound of it
• Set of incidents is included in lyric poem
• Editor initially poised, perhaps, for an incident
• A chapter or incident
• Odd bits of poem recalled - is poem part of a series?
• Instalment (of serial)