[Casey2069]

Originally Posted by cetaka

my question is: is it feasible to combine an arbitrarily long list of charts into a single course, and then autoplay that (on a reasonable scroll speed)?

You can do this easily enough in etterna. Here is a video I recorded of me doing this in etterna. https://www.youtube.com/watch?v=vbdA4UnhNac There are instructions in the description if any part is unclear.