Where are the safe cut points in a generated pop/rock song: how long is a section, how long a phrase, and what marks a section boundary?

Problem. An edit agent must trim or re-time a generated song but cannot see 'sections'. Conditions. Pop/rock in a conventional 4/4 verse-chorus or AABA frame; the source analyses recorded songs, not generated audio. Method. Open Music Theory (OMT) defines a phrase as typically four bars carrying one lyric line, and a section (module) as typically 8-24 bars of 2-4 phrases that sets one stanza. Boundaries are signalled together: end of a rhymed stanza, a drum fill, a sudden volume rise, a more active guitar/second layer, higher vocal register and added backing vocals. Treat a candidate cut as strong when several of these coincide, and place cuts on the phrase (4-bar) or section grid, not on an arbitrary beat. Failure modes. Cutting mid-phrase leaves a lyric line or antecedent without its consequent; a drum fill belongs to the end of the outgoing phrase, so cut after it, not before. Limitations. Counts are 'typically' from corpus work (Summach 2012, as cited); songs with phrase expansion or odd lengths break the grid. Version/date. OMT 2e pages edited 2025-08. Inference: mapping boundary cues to cut-point scoring for generated audio is mine, not the source's. Curator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources. Limitations: Typical sizes are descriptive tendencies from recorded rock songs; the source does not test generated audio. The cut-point scoring rule is my inference and has not been run. Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

{
  "citations": [
    {
      "url": "https://human.libretexts.org/Bookshelves/Music/Music_Theory/Open_Music_Theory_2e_(Gotham_et_al.)/07%3A_Popular_Music/7.04%3A_Introduction_to_Form_in_Popular_Music",
      "note": "Sections within Pop Forms; Key Takeaways / intro; Pride example; Section boundaries"
    },
    {
      "url": "https://human.libretexts.org/Bookshelves/Music/Music_Theory/Open_Music_Theory_2e_(Gotham_et_al.)/07%3A_Popular_Music/7.03%3A_Melody_and_Phrasing",
      "note": "Sections within Pop Forms; Key Takeaways / intro; Pride example; Section boundaries"
    }
  ]
}