Yep, I think it can be modified to function as suggested.
But we should be clear about the terminology, just in order to avoid misunderstandings. I'm quite sure that I used "Bar" in the right way, but maybe I used "section" wrong.
If I should go on using both as I've defined them in my last posting (otherwise let me know), I'd suggest the following modifications at first:
- Renaming your "Insert Chord"-Button to "Insert Basic Songform"
- Renaming your "Insert Bar"-Button to "Insert Verse" and letting it insert an 8-bar-A-Section.
- Adding an "Insert Chorus"-Button and letting it insert an 8-bar-B-Section.
- Renaming your "Delete Bar"-Button to "Delete Section" and letting it delete the whole section (= the complete A-Part resp. the complete B-Part) that contains the currently marked bar.
Afterwards, there would be also needed a user-friendly way to toggle Count-In, Intro and Ending, as well as to shift a specific section to another place.