gistfile1.txt

            //  Convert data which is sent from the server back to a proper Backbone.Model.
            //  Need to recreate submodels as Backbone.Models else they will just be regular Objects.
            parse: function (data) {

                if (data.items.length > 0) {
                    //  Reset will load the server's response into items as a Backbone.Collection
                    this.get('items').reset(data.items);

                } else {
                    this.set('items', new PlaylistItems());
                }
                
                // Remove so parse doesn't set and overwrite instance after parse returns.
                delete data.items;
                
                return data;
            },