public StudioGroup AddStudio(String studioName)
        {
            StudioGroup s      = new StudioGroup(studioName);
            Boolean     result = StudioGroups.Add(s);

            return(s);
        }
 public StudioGroup GetStudio(int studioId)
 {
     return(StudioGroups.First(o => o.Id == studioId));
 }
 public StudioGroup GetStudio(String studioName)
 {
     return(StudioGroups.First(o => o.Name == studioName));
 }