The Canvas platform can be tricky to navigate. After you sign into Canvas:
In the grey menu column to the left of the screen, click/tap Courses.
On the menu that pops out, click/tap TCM Presents: MAD ABOUT MUSICALS! You should now see a menu on the left-hand side with the options: Home, Musicals Bulletin Board, TCM Message Board, Modules, Badges, and Grades.
On that menu, click/tap Modules. You should now see a long list in the center of the screen which outlines the course. The list starts with the Tap to the Top game followed by Start Here: Orientation