What is contained in the conical forms worn on the heads of the women in the lower portion of the fresco painting in the Egyptian tomb of Nebamun, Musicians and Dancers, pictured here?

As the Egyptians kings when died there were some changes that occurred inside the over all systems of law and administration, as the dancers seems to be dancing in front of the audience and there seems to be the sense of relaxation in the rules that will run the system in that region.  

Explanation:

Egyptians have always been known to have a name for themselves as the curve the most amazing form of artistic work having the representation of there culture, religions, and language in these artistic form of work by the ancient folk. However, the archaeologists came to known that the fresco paintings in the Eqyptian tomb of Nebamun, there are some women having the conical forms worn on the heads of the women in the lower portion of the fresco paintings.