Arts and Handicrafts in KSA (Riyadh)

I am interested in Arts. It can be painters, sculptures or Ateliers where one or more are presenting their works. I have seen one painter here in Riyadh that was it so far. If you do know some places or people, please pass it to me. Any location would be of interest in the country.
Also I am interested in old / traditional Handicrafts, Wood or Metalwork. It can be new works as well. Maybe the one or the other knows an interesting Market in Riyadh or another city or a workshop where to look at?