Bugs:

In the freeplay you will see the select character so press esc so that a bug is not present

2 bug:

When you die in all the songs even in the other weeks you will see an error that says strange things so you need to accept and press 7 so that the bug is removed

3 bug:

Week 6 does not work in story mode so you can only play it in freeplay

and that's all