My mindset has really shifted in adulthood from trying to keep up to 'Waiter! 200 more hours of Balatro please!"

Gotcha, don't know where I heard that in the first place but it felt believable. I appreciate the correction

Have you checked out Clone Hero? I've found it to be a much smoother experience than emulating and very faithful to the original Guitar Hero gameplay (in fact I think it uses Guitar Hero source code as a base)
clonehero.net