Yeah, that makes a lot of sense.
The stress/scan part is actually the easier one once you hear it — like you said, it becomes almost mechanical after a while.
What I’ve noticed though is that the real time sink is the combination of both:
you try to adjust the phrasing to fix the stress, which...
This is super interesting — especially the part about lyrics that technically fit but still sound “off”.
I’ve been running into exactly that problem:
even when syllables match, something in the rhythm or stress just feels wrong, and then you end up tweaking notes, lyrics, pronunciation… over...