CMS Development Needed

This is a non disclosure agreement project. Need to develop a backend CMS that allows the creation of artist profiles and managing music/payments/stats. Project Scope: Back End: - Admin login/logout to create Artist pages via CMS (unlimited) - upload mp3 tracks individually on each artist page (unlimited) - artist page will consist of adding Artist Name, Bio, Photos and the mp3 tracks uploader - must use stable mp3 uploader - the mp3 files will be varying sizes but mostly 24 bit/44.1k files - fast, secure, stable - track orders and payments Front End: - simple design (I will design) - front end visitors can purchase the individual or multiple tracks via Paypal - modular - fast, secure, stable Please post your solution and provide existing demo if possible. DO NOT PASTE YOUR SALES PITCH. Show me you read this and introduce yourself on the PMB. GOod luck.