You are able to pause during the fade-in of a cutscene. I'm not sure if the pause is frame perfect or not. If you select "restart", "options", or "exit" before the cutscene begins, you are able to delay the cutscene and move around on the menu. This has no practical applications as of yet, but it would be greatly appreciated if others would like to experiment with this and try to make some use of it.

EDIT: You don't have to select "restart", "options", or "exit" to keep the pause menu up.