So how does this work for minor keys?

This might do the trick:

https://www.guitarnoise.com/lesson/minor-progress/

Welcome to Guitar Noise, by the way. There's a wealth of information in the various articles on the website. Try using the "search" function on the home page and you might find many of the answers to questions you may have.

Hope this helps.

Peace

thanks...will give that a read...been milling around the site for awhile had a couple accounts divorce, loss of net access, and forgetting passwords just made a new one. If I have any more questions will read