Some players have reported that the game stops at the "Live Music Show" puzzle at the end of the game. It was happening only on "Low quality" settings.
We have fixed the issue, so you can download and continue playing.
Beat The Game update for September 15, 2017
Bug fix on final music puzzle
View all patches · Build 2123234 · Last edited March 15, 2019 – 18:18:02 UTC by 
Wendy
Patchnotes via 
Steam Community