I see this as, highlight the measure or measures, right-click, and have Regenerate highlighted selection as a menu choice.

1, 2, 3 done.

Do it until you hear what you want. Provide an Undo that works as many times as you have set the Undo level.

So the context menu could say:
● Regenerate highlighted selection [then select track, or all tracks]
● Undo regeneration
● Cancel

To Soundsmith, the OP, would this meet your needs?


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