Classes
I clicked on the Classes tab under the Learn page. There is a picture of Mr. Sabatella and then two paragraphs of text, where it refers to the online course Mastering MuseScore. However, that seems to be all there is. There is nothing telling us how to sign up for or take the course if we wish to.
Comments
Try Marc's website:
https://masteringmusescore.com/
Enter your email address there, and click the button captioned GET STARTED NOW.
Thanks for your interest! There should be a button to click there, that takes you to my site:
But I understand than on small screens, the button might be out of view, and scrolling might not work. The scrolling seems fixed for the upcoming 4.2