First of all, there's the food to consider. Vegetables and medieval herbs (such as rosemary and sage) grown in the castle's own medieval garden; meat from locally farmed cattle, sheep, pigs and chickens and fish from the local rivers running through the castle estate.
Secondly, the entertainment. A medieval jester was an all-rounder with a variety of skills - he had to be to survive!
Thirdly, the music. Nothing like what we know as musical entertainment today, medieval music was reliant upon the skills of the singer/player and in a musical troupe there would often be a fiddle and/or a horn player. Here are photographs of modern-day copies of what these 2 medieval instruments looked like.