A raucous celebration is taking place. Skeletal musicians play good Cajun music as their ladies swirl round the dance floor. There is food and drink and the skeletons are friendly, inviting you in. They even light some lanterns so you can feast too. Why not stay a while and listen to the music? You can get to the rest of the house once you’ve rested.
Or there is a bookcase sticking out at an angle...