BackboneJS + Codeigniter - RESTful API - 如何创建一个单一的大API？

I have a Backbone application where use Codeigniter as backend. Now, to display data from my Database i use the RESTful API to get the data and pass it as JSON to Backbone. The data I want to fetch are Bandnames from A-Z and its always the same data: band_id and band_name. So for that purpose I want to create one single Backbone Model which should tell the Collections what data to handle. So in my Codeigniter setup, in the I have a Backbone application where use Codeign